user_query: delete grapes from list
response_text: I couldn't find grapes.
user_query: add grapes to my recipe list
response_text: Alright, I added grapes.
user_query: add grapes to my list
response_text: OK. Which list do you want to add to?
User: Add items to the zweite list.
Parse: Add_item_to_list ( list_position List_position ( absolute_position « zweite » ) list_singular_or_plural « list » )