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 uses the ___ as a means. Intent:
Positive

Event:PersonX commits ___ with impunity. Intent: 1) to be greedy
Negative

Event:PersonX can n't find anything. Intent: 1) see if his book is done

Unknown