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 imagines what PersonY was seeing. Intent: 1) to find something out 2) socialize 3) start an argument
Positive

Event:PersonX buys a birthday cake. Intent: 1) to go over their authority.
Positive

Event:PersonX takes it to a mechanic. Intent: 1) to cover up their body

Negative