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". 

[EX Q]: Event:PersonX puts PersonX's head in the sand. Intent: 1) to watch something together
[EX A]: Positive

[EX Q]: Event:PersonX fixes PersonY's roof. Intent:
[EX A]: Positive

[EX Q]: Event:PersonX walks home from school one. Intent: 1) to replace the old ones
[EX A]:
Negative