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: 
Utterance: 'hi there, i'm hoping we can come to an agreement on these extra items 🙂'

Ex Output:
No


Ex Input:
Context: 'That seems quite unfair. I really would like my camping trip to be enjoyable.' 'I understand. What part of the deal is unfair to you? You get the majority of the highest priority item (food) and I get the majority of the lower priority items (water and firewood).' 'I will have my two packages of food and only one package of firewood. I do not think I can make one package of firewood last for both of my food. '
Utterance: 'So is your counter that you get 2 packages of food, 0 of water, and 2 of firewood?'

Ex Output:
No


Ex Input:
Context: 'I was hoping to get some extra food just in case my kids get hungry. Would you be ok if I took 2 food and you could have 2 of the rest?' 'yes child is not hoping. u hive me a all extra food to the child.' 'You're good with the extra water and firewood?'
Utterance: 'yes extra water and firewood of my self.'

Ex Output:

No