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". 

Event:PersonX likes ___ , though. Intent: 1) to be healthier 2) to fit into a dress 3) to impress someone
Unknown

Event:PersonX prevents ___ from obtaining. Intent:
Negative

Event:PersonX blocks PersonY's path. Intent:

Negative