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: Log the log the calcium intake for this week
Parse: Log_nutrition ( component « calcium » time « this week » )