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.

Ex Input:
Context: 'Okay. I need 3 package of fire woof and 2 pack of food and 2 pack of water.' 'Hmm ☹️ That does not leave me with much' 'In my team old age sicked peoples and kids are there so I need some extra.'
Utterance: 'Is firewood something you want the most? 🙂'

Ex Output:
Yes


Ex Input:
Context: 'Hi, I appreciate your response. I would like to compromise. I will give you the bundle of firewood you requested as well as the 2 packages of food. However, I would like to get 2 jugs of water. I have 2 other adults with me on this trip and they require more water to stay hydrated than a baby would.' 'That actually sounds pretty good to me. 🙂' '🙂'
Utterance: 'So, it looks like we have reached a compromise. '

Ex Output:
No


Ex Input:
Context: 'I need a lot of water too. Thank you for understanding.' 'no sorry i dont think so. i need some extra water because i only need a little food' 'Okay then. I can give up one for you. Will that be okay?'
Utterance: 'no i think i need 2 waters'

Ex Output:

No


