Definition: The input is taken from a negotiation between two participants who take the role of campsite neighbors and negotiate for Food, Water, and Firewood packages, based on their individual preferences and requirements. Given an utterance and recent dialogue context containing past 3 utterances (wherever available), output Yes if the utterance contains the elicit-pref strategy, otherwise output No. elicit-pref is a cooperative negotiation strategy. It is used to discover the preference order of the opponent in the negotiation.
Input: Context: 'OK, but first tell me why you need extra food' 'I have 10 people in my group' 'I see. I need more water because I came across some people who were lost and they are very dehydrated.'
Utterance: 'I need 2 firewood because it gets below freezing at night'

No