You are provided with an "Event" and it's "Intent" related to PersonX. Determine the sentiment value of the given input as either "Positive", "Negative", and "Unknown". 

Q: Event:PersonX knows PersonY's ___ thoroughly. Intent: 1) to grab something

A: Positive
****
Q: Event:PersonX waits tables. Intent:

A: Positive
****
Q: Event:PersonX applies for jobs. Intent: 1) to study

A:
Positive
****