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: 'It's been so cold these last few days, I'm worried that I didn't bring enough wood for the next few nights.' 'That is unfortunate. How about I give you are my firewood for all your food?'
Utterance: 'That is a very generous offer but I think I need to keep some food to be safe. Do you need any water?'

A: Yes
****
Q: Context: 'food is necessary for all living beings. ' 'I am traveling with a big group so we need more water.'
Utterance: 'lots of water only for when u have thirsty'

A: No
****
Q: Context: 'good, how are you 🙂' 'Great!  I'm on a camping trip with my five children, how about you?' 'I'm also going camping with my two children and 2 of my nephews  How would you like to divide the supplies?'
Utterance: 'Well what do you need the most of?'

A:
Yes
****