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 buys a book. Intent: 1) to go
[A]: Positive


[Q]: Event:PersonX buys ___ at the price. Intent: 1) to move out from his parent's home.
[A]: Negative


[Q]: Event:PersonX breaks PersonY arm. Intent:
[A]:
Negative