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: 'I am working hard around the camp and getting hungry!' 'You came here to work? I’ve been taking it easy. ' 'LOL, I mean setting up the tent and clearing the area for a campfire. I'll take a break now.'
Utterance: 'Sounds good.  I suggest you make a fire and relax. '
Example Output: No

Example Input: Context: 'Looking forward to camping' 'same, i love to camp' 'What do you need most when camping? I hate splitting wood, so  I need firewood'
Utterance: 'I need water to drink and survive, so i need alot of water and food'
Example Output: No

Example Input: Context: 'Hello I would like to have two bottles of water and in trade will take 1 food and firewood for a higher amount of water.'
Utterance: 'Hello. I would consider giving you 2 waters for 3 firewood and 2 food. I have a large family so the additional firewood will help with warmth and cooking food. 🙂'
Example Output:
No