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 Input:
Context: 'good here, I will need 3 water as I need it to survive' 'I need water as well.  I require it for subsistence' 'how many water you need?'
Utterance: 'In a perfect world, all the water 🙂'

Ex Output:
No


Ex Input:
Context: 'Hello, how are you? Looking forward to camping?' 'Oh yeah, that's for sure. What camping item do you prioritize?' 'I'm going to need some extra wood because I'm somewhat injured and can't really gather more.'
Utterance: 'Oh, I see. Well, I personally need lots of water to stay hydrated since I drank a lot already.'

Ex Output:
No


Ex Input:
Context: 'How about I take 1 food, 2 firewood and 2 water' 'I am okay with that deal. What items do you give me?' 'You get 2 food, 1 firewood and 1 water'
Utterance: 'I am okay with that deal. What is your opinion?'

Ex Output:

No