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.

Context: 'Hello, I think that my first deal will be fair 🙂' 'Well that's interesting because I don't even know what is is.'
Utterance: 'We aren't allowed to submit it just yet. So let's chat. What do you value most among the items?'
Yes

Context: 'So far so good.  What are your plans for your camping trip?' 'yes i guess you too. i will need more supplies like 3 foods, 2 firewood and1 water' 'I have not really camped before so I am looking for as many supplies as possible.  What about I get 3 food, 3 firewood, and 1 water. '
Utterance: 'funnny you but no. so what else will i be left with if i give you those. okay let say i get 2 food, 2 firewood and 1 water.'
No

Context: 'thats terrible! i broke my leg and wont be able to collect my own firewood , could i maybe get 2 packages? ☹️' 'Terribly sorry to hear that; it sounds like you won't be able to camp much in that condition. I assume you have someone coming along to help you because of your leg?' 'just a bunch of children under 5 who wont be able to gather firewood. so i desperately need at least 2'
Utterance: 'I see, well it sounds like you're going to need some additional food with those children. How about I provide you with some additional food and you can help me with my need for heat with firewood?'

No