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: 'Hello!' 'Hey there. How are you doing?'
Utterance: 'Great! What do you look for most when camping?'
[A]: Yes


[Q]: Context: 'hello' 'Hi how are you?'
Utterance: 'I am good. How are You.   I was just thinking about how I need extra water due to a medical condition.  How about I take all 3 waters?'
[A]: No


[Q]: Context: 'We need a moderate amount of everything and I think we can work something out successfully.' 'got it, OK I'll start then. I'd like at least 2 firewood' 'Okay. we brought some of our own food so I don't need much of that either.'
Utterance: 'do you want more water then? perhaps 2?'
[A]:
Yes


