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: '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! 🙂'
Example Output: No

Example Input: Context: 'I am not able to get around as much to gather the food. It could require a lot of walking and I might find nothing. What if I took 2 food, 1 water, and 2 firewood, would that be good for you?' 'How about I take 3 water and 2 firewood and you take the rest?' 'I think I can live with that.'
Utterance: 'Great we have a deal then?'
Example Output: No

Example Input: Context: 'Hi there! How are you today?' 'Good!  How are you?' 'I'm doing well! Almost ready for my camping trip. Need some more supplies though.'
Utterance: 'Which supplies do you need?'
Example Output:
Yes

