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: 'Yes, I expect that! You need food most and I need water, so let's propose an exact trade? 3 for 3?' 'My main objective for the camp is food and firewood, since I have a large family and the amount of food they give in the camp is very small for all my family and my wife and I have to cook with firewood in the camp.' 'I understand completely. I would like to have all three water, and I'm only traveling with just me, so how about 1 firewood? The rest for you.'
Utterance: 'No me gusta mucho el trato, pero para eso debemos hablar y decidir como adultos un buen trato para los dos. Lo que queremos es disfrutar en el campamento.'

Ex Output:
No


Ex Input:
Context: 'Hello there I'm well. How about yourself?' 'I'm good. I'm excited for the camping trip. I have been planning this for a few weeks. I'm excited to get out into the woods.' 'Oh great! I love getting out into nature.'
Utterance: 'Do you have any preferences in regards to the firewood, food, and water? I would like us both to get what we need.'

Ex Output:
Yes


Ex Input:
Context: 'Ok, but I need at least 1 package of water. So, I can give you 2 packages of water along with the 1 package of firewood and the 3 packages of food. Do we have a deal?🙂' 'So i get 1 firewood, 2 water and 3 food?' 'Yes, do we have a deal?'
Utterance: 'Yeah, we have a deal. Thank you '

Ex Output:

No


