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: 'Ok, but I need at least 1 package of water. So, I can give you 2 packages of water along with the 1 package of firewood and the 3 packages of food. Do we have a deal?🙂' 'So i get 1 firewood, 2 water and 3 food?' 'Yes, do we have a deal?'
Utterance: 'Yeah, we have a deal. Thank you '
[A]: No


[Q]: Context: 'I'm looking forward to my camping trip! What are you trying to collect for your trip?'
Utterance: 'Me too! It will be great to finally get out of town for a few days. I mostly need more firewood to keep the wife nice and toasty. How about you?'
[A]: Yes


[Q]: Context: 'What are your preferences?  I always love having a big fire at night when I am camping and I do think water is more important than food.' 'I like to have a lot of food to keep my energy up, but I might need some firewood to cook that food. I can't wait for my camping trip.🙂'
Utterance: 'I love camping also!  Yes, I can see how you would need firewood if you want to cook your food.  So, food is more important to you than water?'
[A]:
Yes


