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: 'That's a good idea.Let me think. How about 3 Firewood, 1 Food and 2 waters for me.' 'That will not work for me at all. ' 'I see. Then how does 2 Firewood, 1 food and 1 water for me sound? You'll be getting 1, Wood 2 Foods and 1 Water'
Utterance: 'Your calculations are incorrect. There are 3 firewood, 3 food, and 3 water. You are missing a water. I will return to my original offer since you need firewood the most and I need food the most. I take all the food, you take all the wood. And then you can take 1 water as you just suggested. '

No