#JSGF V1.0;
grammar ToBI_mvieth_telljoke;
public <command> = <goto> | <telljoke> | <calculate>;

<goto> = <robot> go to the door;
<robot> = ( tobi | tiago );
<telljoke> = tobi tell me a joke;
<calculate> = <digit> ( plus | minus ) <digit>;
<digit> = ( zero | one | two | three | four | five | six | seven | eight | nine );