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 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


[Q]: Context: 'You need a pack of each?' 'Yes, at least 1 of firewood, one of water and one of food.' 'Okay, that would work for me. I'm sure you have good reasons.'
Utterance: 'Do you have a small group, like I do?'
[A]: No


[Q]: Context: 'Yes definitely!  I am pretty easy to work with and would like a deal that will help us both out as much as possible.' ' The item I need the most is water because I need to hydrate to stay strong and achieve my goals. And you?' 'I would say water as well because I am very active and build up thirst as a result.  However, I would be willing to compromise on things to allow you to have more water.'
Utterance: 'The item that I need the least is firewood because I will dedicate myself to look it up at the camp. And you?'
[A]:
Yes