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: 'What about you take 1 water and the firewood.  I take 2 waters and all the food' 'That leaves me with very little. Can I have 1 water, 2 firewood, and 2 food?' 'you would get 1 water and all 3 firewood.  I would get 2 water and all 3 food.  You have one less than me but the food is worth less'
Utterance: 'I will make it work. Let's make a deal!'
[A]: No


[Q]: Context: 'Yes, same here! I'm glad that we all have our own basic necessities, but extra is always wonderful. 🙂 What are you most interested in?' 'I am most interested in water! My husband and I are traveling with our newborn and we need as much water as possible!🙂' 'Ah, I see! I am in the same boat. We are camping somewhere where there is no source of water and it's very hot. Hm, let's see how to go about this'
Utterance: 'what else is a priority for you?'
[A]: Yes


[Q]: Context: 'Hello there! Excited about your camping trip? 🙂' 'Hello , yes I am , going to have lot fun . Are you excited ?'
Utterance: 'I sure am! There's just the little matter of dividing up the remaining resources, but I'm sure we'll be able to come to an arrangement that suits both of us! What would you say are you most important resources for this trip?'
[A]:
Yes


