user_query: add juice to walmart list
response_text: Alright, I added juice.
user_query: scratch that. Actually add juice to target list
response_text: I couldn't find that item on your list called "Target."
user_query: add it to my target list
response_text: What do you want to add?
User: Go to the last list made.
Parse: Get_list ( list_position List_position ( relative_position « last » ) list_singular_or_plural « list » )