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.
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Question: Context: 
Utterance: 'Hi!  I want some additional packages of firewood, water, and food'

Answer: No


Question: Context: 'Howdy! How are you?' 'I am dong just fine! and you?' 'Pretty good! I am excited about going camping though. When we split this, what do you need the most?'
Utterance: 'We are all about the food over here! what about you?'

Answer: Yes


Question: Context: 'Shall we divide the firewood two to one? ' 'sure as long as I am getting two wood.   It gets very cold at night where I go camping' 'Sure, since you were so willing to accommodate my need for water, I would be happy to oblige. '
Utterance: 'Thanks, these extra supplies will really help me'

Answer:
No