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: 
Utterance: 'Hello, I will start out by saying that I would like to have 3 water because I do not have a nearby water source. What is your situation?'
answer:
Yes


question:
Context: 'Hello. I'm looking forward to striking a deal with you that makes both of us happy!' 'Sure I am waiting too!'
Utterance: 'So tell me, which is most important to you? What can't you live without?'
answer:
Yes


question:
Context: 'Sounds good.  I suggest you make a fire and relax. ' 'Just need a little more wood.  Then it will be great to cook my dinner on.' 'I got some spare wood. I’m a little short on food though. I didn’t pack enough. '
Utterance: 'Great, we can split the food, how are you on water?'
answer:

Yes


