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 meets PersonY's boyfriend. Intent:

A: Unknown
****
Q: Event:PersonX disappears around the corner. Intent: 1) to help

A: Positive
****
Q: Event:PersonX meets PersonY friend. Intent: 1) to promote his business 2) to market his product

A:
Unknown
****