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 plays ___ after school. Intent: 1) to be a good student 2) to be successful
[EX A]: Positive

[EX Q]: Event:PersonX loses control of PersonX's car. Intent: 1) to cheer for his team
[EX A]: Unknown

[EX Q]: Event:PersonX grabs PersonY's backpack. Intent: 1) to give person y something
[EX A]:
Negative