#JSGF V1.0;
grammar ToBI_GPRS;
public <task> = [<robot_name>] [(would | could) you] [please] <command> [please] [<robot_name>];

<robot_name> = tobi | robot;

<command> = <bring_command> | <goto_command> | <find_command> | <follow_command> | <cleanup_command> | <show_command> | <pointat_command>;

<bring_command> = (<bringVerb> [<person>] [<article>] <grab_object> [<preposition> [<article>] <location>] [(to|into) [<article>] <second_location>]) | (<bringVerb> [<article>] <person> <preposition> <article> <location>);
<goto_command> = <gotoVerb> <preposition> ([<article>] <location>);
<follow_command> = <followVerb> <person>;
<find_command> = <findVerb> [<article>] (<grab_object> | <person>) [in [<article>] <location>];
<pointat_command> = <pointatVerb> [<article>] <location>;
<learn_command> = <learnVerb> [<article>] (<person> | <location>);
<cleanup_command> = <cleanupVerb> [<article> <room_class>];
<show_command> = <showVerb> [<person>] (([<article>] <grab_object>) | ([the (path|way) to] [<article>] <location>)); 

<bringVerb> = bring | carry | retrieve | fetch | get | give | put | attend | deliver | convey | gather | (pick up) | take | lead | grasp;
<findVerb> = detect | find | (search [for]) | (check [for]) | acquire | attain | obtain | (look for);
<pointatVerb> = (point at) | denote | direct | indicate | suggest | show;
<showVerb> = show | demonstrate | present | (point at) | denote | direct | indicate | suggest;
<gotoVerb> = navigate | go | approach | move | run | travel | ride;
<followVerb> = follow | chase | (come after);
<learnVerb> = learn | remember | memorize | determine | gain | study | train;
<cleanupVerb> = (clean up) | (tidy up) | clear | (do up) | (straighten up);

<person> = someone | <personal_pronoun> | <person_name> | (person | man | woman | guy | girl | boy | human | robot);
<personal_pronoun> = him | her | me;
<person_name> = james|john|robert|michael|william|david|richard|charles|linda|thomas|mary|patricia|joseph|dorothy|barbara|susan|jennifer|maria|elizabeth|margaret;

<grab_object> = <bathroom_class> | <drink_class> | <snack_class> | <food_class> | <tool_class> | tool | (bathroom stuff) | drink | snack | object | food | something | stuff | item | beverage | things;
<bathroom_class> = (shower gel) | (hair gel);
<drink_class> = (orange juice) | (fruit juice) | (ice tea) | coffee | beer;
<snack_class> = chocolates | (chewing gum) | peanuts;
<food_class> = (noodle sauce) | (cat food) | dumplings | tacos; 
<tool_class> = sponge | tape | (sole latex);

<location> = <appliance_class> | <shelf_class> | <seat_class> | <table_class> | <door_class> | <exit_class> | exit | door | seating | utensil | location | room | appliance | shelf | seat | table | somewhere | apartment | furniture;

<second_location> = <appliance_class> | <shelf_class> | <seat_class> | <table_class> | <door_class> | door | seating | utensil | location | room | appliance | shelf | seat | table | somewhere | apartment | furniture;

<appliance_class> = (coat rack) | kitchen_counter | fridge | bar;
<shelf_class> = book_shelf | (food shelf);
<seat_class> = <seating_class>;
<seating_class> = sofa | bed;
<table_class> = kitchen_table | desk | side_table | couch_table | (bedroom table);
<door_class> = (room door);
<room_class> = kitchen | living_room | bedroom | hallway;
<utensil_class> = trash_bin;
<exit_class> = (exit door) | (entry door);

<preposition> = into | to | from | on;
<further_preposition> = (on [top of]) | in | (next to) | at | near;

<article> = the | an | a | some | this;