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 cant afford to give you all 3 waters because i would need some for myself' 'I completely understand, I have a large family coming along, I really need the extra supplies, as for the food and firewood are you okay with the amount? ' 'i am an avid water drinker. i can afford to give you 2 water for three firewood though'
Utterance: '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?'
[EX A]: No

[EX 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!'
[EX A]: No

[EX Q]: Context: 'Hello How is preparing for your trip going?'
Utterance: 'Hi! I've made some mistakes so I need some extra supplies. ☹️ Which item do you need the most?'
[EX A]:
Yes

