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

[EX Q]: Event:PersonX does n't know what to say. Intent: 1) to hold their hand
[EX A]: Unknown

[EX Q]: Event:PersonX speaks with a forked tongue. Intent: 1) others to have respect for him
[EX A]:
Negative