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: 'Hello, what a great time of year to go camping.' 'Yes I can't wait! So sick of being stuck at home. 🙂' 'It will be nice to get out and explore the great outdoors, even if it is super hot!'
Utterance: 'I agree. What supplies could you use more of?'

Ex Output:
Yes


Ex Input:
Context: 'Hello there! How are you today?' 'I am fine . How about you?'
Utterance: 'I am doing well so far. 🙂 What items are of preference for you today?'

Ex Output:
Yes


Ex Input:
Context: 'Hello! I am looking to get more items for the trip.'
Utterance: 'Hello there. I am as well. What items were you looking for specifically?🙂'

Ex Output:

Yes