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: 'Splitting the food is what I was thinking as well, but I'd also like to split the firewood. We can split the water or I'm fine taking all of that.' 'I would be willing to take 2 firewood, 3 food, and 1 water if that would work for you.  ' 'Hmm I think I should take 2 food, 1 firewood, and 3 water. What do you think?'
Utterance: 'Is your first priority the water?  I'm definitely willing to split up by what is most important to us both.'
[EX A]: Yes

[EX Q]: Context: 'Fine thank you. How about you?' 'I am great, i am really excited about camping how about you?' 'Same here! Its my family's first time out together and we are at the camping already.'
Utterance: 'Nice, are there any extra supplies that you will really need?'
[EX A]: Yes

[EX Q]: Context: 'Hello there! How are you today?' 'I am fine . How about you?'
Utterance: 'I am doing well so far. 🙂 What items are of preference for you today?'
[EX A]:
Yes

