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". 
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Question: Event:It would last. Intent: 1) something to eat

Answer: Unknown


Question: Event:PersonX waits all year. Intent: 1) to grab some bread

Answer: Unknown


Question: Event:PersonX kills ___ with stone. Intent: 1) the room to be clean.

Answer:
Negative