diff --git a/psGrammar/confirm/confirm.jsgf b/psGrammar/confirm/confirm.jsgf
index c21f6f6d13fed49a85149405fbc466f32e28f411..b6948911f92d43e770283414b860a394786f02f6 100644
--- a/psGrammar/confirm/confirm.jsgf
+++ b/psGrammar/confirm/confirm.jsgf
@@ -7,4 +7,4 @@ public <confirm> = <confirm_yes> | <confirm_no>;
 
 <yes_words> = (yes) | (confirmed);
 <no_words> = (no);
-<robot> = (tobi) | (robot) | (biron) | (pepper);
+<robot> = (tobi) | (robot) | (biron) | (pepper) | (tiago);
diff --git a/psGrammar/demos/learning.jsgf b/psGrammar/demos/learning.jsgf
index 97c579239f712a0f1211a2400671cc74351b37fe..0f939e6899c85edd99ccfe47649ec5cf27cebdfb 100644
--- a/psGrammar/demos/learning.jsgf
+++ b/psGrammar/demos/learning.jsgf
@@ -7,7 +7,7 @@ public <command> = [tobi] (<save> | <stop> );
 
 <save> = <pre> <NP_location>;
 <pre> = ([please] save) | (here is) | memorize;
-<location> = (table <numberOfTable>) | (shelf) | (bar) | (bin);
+<location> = (table <numberOfTable>) | (shelf) | (bar) | (bin) | (garbage collection);
 <numberOfTable> = (one | two | three | four | five | six | seven | eight | nine);
 
 <stop> = stop | (wait [here]);
diff --git a/psGrammar/demos/listen.jsgf b/psGrammar/demos/listen.jsgf
index 53848a0da05ed686dff19d4ac94619655faf87a0..5b4bfff1a8af426d668a8c12dd870ee4bcb43cc6 100644
--- a/psGrammar/demos/listen.jsgf
+++ b/psGrammar/demos/listen.jsgf
@@ -9,7 +9,7 @@ public <command> = [tobi] ( <goto> | <stop> );
 
 <NP_location> = ([the] <location>);
 
-<location> = (table <numberOfTable>) | shelf | bar;
+<location> = (table <numberOfTable>) | shelf | bar | bin;
 <numberOfTable> = (one | two | three | four | five | six | seven | eight | nine);