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 don't mind giving you more of the food as long as I could have more of the water and firewood. 🙂' 'Well, I do need some of each, what about I take 3 food and 1 each of the other two?' 'I don't mind taking 2 of the water as I need it for a medical condition and 2 firewood however I would like to get 1 of the food.'
Utterance: 'You need water the most?'

A: Yes
****
Q: Context: 'I'm looking forward to my camping trip! What are you trying to collect for your trip?'
Utterance: 'Me too! It will be great to finally get out of town for a few days. I mostly need more firewood to keep the wife nice and toasty. How about you?'

A: Yes
****
Q: Context: 'Ok, but I need at least 1 package of water. So, I can give you 2 packages of water along with the 1 package of firewood and the 3 packages of food. Do we have a deal?🙂' 'So i get 1 firewood, 2 water and 3 food?' 'Yes, do we have a deal?'
Utterance: 'Yeah, we have a deal. Thank you '

A:
No
****