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: 'Good how are you' 'I am doing quite good. I enjoy camping. I however did not bring enough food.' 'Ok I'm sure we can work it out because I know I need extra water and firewood. Do you have any ideas on how to divvy up the extra supplies?'
Utterance: 'I would need some firewood as well, as I need it to cook the food. I was thinking maybe you can have all the water and I have all the food.'

Output: Yes


Input: Consider Input: Context: 'Hi there! How are you?' 'Great! I'm very excited to go camping, how about you?' 'I am! Now, I need a lot of firewood because we were planning on burning some earlier (to start cooking meals and such). I also need some extra food in case bugs come and eat some (like last trip, ugh). How about I take 2 firewood, 2 food, and you take 3 water, 1 firewood, and 1 food?'
Utterance: 'Would you be open to taking 1 less firewood, I would give you 1 food for it. The weather is supposed to be extra chilly and we did not bring warm enough sleeping bags so we need the extra firewood to avoid freezing to death!'

Output: Yes


Input: Consider Input: Context: 'you are not being fair, bare in mind we have same priority, so if you take all the food you have to give me the wood and water, or you can take all the wood and water and give me the food' 'you also not fare,you also not  ready to give a give offer, give me 3 food , remaining one firewood one water 3 1 1' 'no, I think I will just walk away'
Utterance: 'bro u also not offer a good deal'


Output: No


