instruction:
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.
question:
Context: 'Hi there.. we're looking forward to this camping trip.. hope you are, too!  Is there anything in particular you guys need / want out of the extra stockpile we've got?'
Utterance: 'Hello! Which item do you need the most?'
answer:
Yes


question:
Context: 'Do you have any preferences in regards to the firewood, food, and water? I would like us both to get what we need.' 'I get really cold at night so I'd like to have extra firewood. ' 'Same. Plus I am planning on keeping a fire long into the night. Eating alot of food also helps keep you warm while sleeping. Perhaps I could offer you some extra food in return for some extra firewood?'
Utterance: 'Hmm I will have to think about this offer. How do you feel about the water packages?'
answer:
Yes


question:
Context: 'Hi how are you' 'I'm doing great. How about you.?' 'Really good.'
Utterance: 'Which option you would like to go for?'
answer:

Yes


