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.
Q: Context: 'we both have the same high value priority. what is number 2 for you? thanks' '🙂 Food' 'me 2 lol, what if you got 2 of the water and me 1 but then i could do 2 of the food and firewood and things would kind of even out with that arrangement.'
Utterance: 'Yes, that would be fair. How much of Firewood would you need?'
A: 
Yes