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: 'Hello, I think that I should get all of the water packages, 2 firewood and you can have all of the food.🙂' 'Hi there, i appreciate your initial offer. '
Utterance: 'What is your offer on the additional packages?'

A: No
****
Q: Context: 'Looking forward to this camping trip!  I am hoping we can find something amicable with these additional resources.' 'I'm excited too 🙂. Things have been stressful lately. What are some things that you value most?'
Utterance: 'It's supposed to be chilly where we are heading and I could really use some extra firewood.  🙂  What about you?'

A: Yes
****
Q: Context: 
Utterance: 'How many of each extra package are you thinking you need?'

A:
Yes
****