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.

[EX Q]: Context: 'hello, how do you suggest we share the items?'
Utterance: 'Hi there! Well first I was wondering what item you think you'd like or need the most?'
[EX A]: Yes

[EX Q]: Context: 'Okay. I need 3 package of fire woof and 2 pack of food and 2 pack of water.' 'Hmm ☹️ That does not leave me with much' 'In my team old age sicked peoples and kids are there so I need some extra.'
Utterance: 'Is firewood something you want the most? 🙂'
[EX A]: Yes

[EX 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?'
[EX A]:
Yes