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.

Input: Consider Input: Context: 'Okay so I'm planning this super cool backpacking expedition up the waterfall but I'm going to need all the additional water and food for everyone.' 'All of the additional water and food? That doesn't seem very fair. ☹️' 'Well I'll be splitting it with everyone on the trip as we go up. The people that choose to stay will still get all their basic supplies of food and water. The backpacking trip is going to take three days though, we're gonna need the resources😮'
Utterance: 'I see. Which resource do you desire most?'

Output: Yes


Input: Consider Input: Context: 'yes of course!' 'great!' 'So we have agreed i get 2 foods and 3 waters and you get 1 food and 3 firewood? does that sound good?'
Utterance: 'I thought you just wanted 2 waters?'

Output: No


Input: Consider Input: Context: 'Nothing that I would trust. Additionally, I have a dog that will need water as well.' 'Oh well that is something to consider. I love dogs. 🙂. I'd be willing to take less in that case, and let you have 2 of the waters. Would you be OK with leaving me with 1? I'd be willing to split the food up the same way (you get 2, I get 1).' 'That works. I know water is important. I promise I won't be using it to water plants or wash clothes!'
Utterance: '🙂 haha of course! I think we've come to a good agreement then! You get the 2 Waters, and I get Water. You get 2 Foods, and I get 1 Food. And I get the 3 Firewoods. Correct?'


Output: No