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: 'I have alot of children, and those little rascals can chug water like there is no tomorrow, will you allow me to get the 3 waters and you can have 2 firewood and and 3 foods, what do you think?' 'i need the firewood because i tend to catch a cold easily and also scared of the dark. i can give you 2 water and 2 food for 3 firewood and i food' 'will you allow me to get 3 waters and you can have the 3 firewood and 2 foods? 🙂'
Utterance: 'yes i can agree to that, thats a good compromise'
[EX A]: No

[EX Q]: Context: 'I am okay. How about I give you one and half then I get some firewood from you?' 'No I need at least 2 waters.  But I am willing to give you all 3 foods, if I get all the firewood.  Does that work for you?' 'Okay I will give you 2 waters. I actually need more of firewood. If I can get 2 I will be glad.'
Utterance: 'Well I really need the firewood because I have small kids with me and it would be hard for me to get some free time to get the firewood, but I would be willing to give you 2 firewood since I get two waters.  What are your thoughts about the food?'
[EX A]: No

[EX Q]: Context: 'I have not, but I don't really have an interest for it, either.' 'Thats a shame, i am sure you would like it if you give it a try, especially if you build a large fire 🙂' 'I was going to say, the fire would be probably one of the few things I would be interested in! I love being warm.'
Utterance: 'Well you can take all the firewood if it will help, would it be ok if i get all the food in return?'
[EX A]:
No