user_query: Please add something to a list for me
response_text: Alright. Which list do you want to add to?
user_query: Shopping add coke
response_text: OK. Which list do you want to add to?
User: Could you add items to Pierres 4 listes courses?
Parse: Add_item_to_list ( list_label « courses » list_number « 4 » list_owner « Pierre » list_singular_or_plural « listes » )