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: 'Ok what about the food? how about you take two and ill take one?' 'Okay! That sounds good! 🙂' 'Great so we are on the same page. Ill take two fire wood, one water, and one food.'
Utterance: 'Okay! Then it's a deal! 🙂'

A: No
****
Q: Context: 'Hi! I'm super excited to go camping with my family as a great way to vacation due to Covid19. My kid is so restless from being cooped up in the house all the time. Are you planning on going camping too?'
Utterance: 'I am! It is the perfect way to get away and still manage to social distance! I am worried about having enough water though, are you short on any supplies?'

A: Yes
****
Q: Context: 'hello' 'Hey, how are you?' 'I am doing good. Thanks. Which item do you need the most?'
Utterance: 'I was thinking firewood, because the most fun I have camping is roasting marshmellows and hanging out around there. How about you?'

A:
Yes
****