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: 'Hi i'm really excited for camping. I am looking for food and water ' 'Yes, a much needed getaway. Oh my, we need the same provisions! How would you be with receiving two waters, one food package, and two of the firewood?' 'I think I would be able to make that work. What are you looking forward to while camping? '
Utterance: 'Mainly cooking because I love to eat. It will be fun this time because I am leaving the kids at home. I also love swimming if we can find a river or big stream. How about you?'

Ex Output:
Yes


Ex Input:
Context: 'We do have a fire to start, but we are very hungry. Diabetics can eat less food because of the small meals. Don't lie to me.' '😡my type of diabetes needs many meals otherwise my insulin levels will be low' 'I am diabetic also.'
Utterance: 'your type maybe needs wild fruits which you can easily gather🙂'

Ex Output:
No


Ex Input:
Context: 'sorry i'm not understand can you explain please?' 'I take 1 firewood, 2 water and 3 food.' 'no i need 2 pack of firewood, and 1 pack of food and 1 pack of water '
Utterance: 'That is quite unfair. You will have 0 water'

Ex Output:

No