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.

Q: Context: 'I need food because I have mouths to feed and maybe a firewood?' 'Okay . How much You need each?' '3 Food and 1 Firewood? You get the rest?'
Utterance: 'That's fine.I will accept your deal.Tell me the reason why you need the item?'

A: Yes
****
Q: 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?'

A: Yes
****
Q: Context: 'Hello, I'd like to bring three packages of firewood because I'll be making tons of BBQ for the camping trip.' 'Can I get 3 packages of food?'
Utterance: 'What do you need it for?'

A:
Yes
****
