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.

Example Input: Context: 'Hi! how are you doing? I hope you are getting things packed for the camping.' 'Hi there! I am doing well. I am getting things ready and so excited! How are you doing?' 'I'm great! and almost done with packing. and exited about the camping too. Waiting to explore and learn during the trip.'
Utterance: 'That sounds great! What do you prefer with the additional packages for camping?'
Example Output: Yes

Example Input: Context: 'Hello 🙂 Hope you have a good amount of supplies for your trip!' 'Not really! I will need you to give me 3 food, 2 water and 2 firewood.' 'Yea, that's not going to work for me. That would leave me with NO food, and only 1 water, and 1 firewood. Would you take that deal, if I offered it back to you?'
Utterance: 'Ok what will work for you?'
Example Output: No

Example Input: Context: 'hello how are you' 'i'm good thank you, How are you doing today?'
Utterance: 'I am good, let's plan our camping trips. I am diabetes, so water is very important to me. what about you?'
Example Output:
Yes