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 self-need strategy, otherwise output No. self-need is a selfish negotiation strategy. It is used to create a personal need for an item in the negotiation, such as by pointing out that the participant sweats a lot to show preference towards water packages.

Input: Consider Input: Context: 'Hi how are you hope all is well and are you getting ready for your trip?' 'Yes same to you. I am very excited to be going on this trip cannot wait to start hiking. Do you have any plans for yours?' 'Yes we (my boyfriend daughter and I) want to go to the mountain top its not going to be easy with this weather but we will make it how about YOu?'
Utterance: 'We want to hike along the trails near the river! We will need lots of food to keep us going '

Output: Yes


Input: Consider Input: Context: 'Well that is a little promising but I would really like some firewood as it makes me nice and warm and keeps the camp going 🙂.' 'I can do 2 firewood for 3 water if that is better for you?' 'Actually that does sound a lot better I would be willing to do that. So 2 firewood for 3 water?'
Utterance: 'Yea but what about the food?'

Output: No


Input: Consider Input: Context: 'I also would prefer some food but am willing to give 3 fire wood in exchange for 3 water. I suffer from chronic dehydration because I sweat too much.' 'Excellent, I would love to help you out.  We have plenty of water to spare.  I'd gladly give you 3 water in exchange for 3 firewood.' 'Cool! To show my gratitude, i will give you the extra food. I will have 1 and you will have 2. Is that a good deal?'
Utterance: 'Yes, deal!  I get 3 firewood, 2 food, 0 water.  You get 3 water, 1 food, 0 firewood.  Thanks - have a great day!'


Output: No


