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: 'hello friend i will like to sugest if i can have 2 packages of food and 1 firewood,you can have i food 2 firewood and 3 water,let me know what you think?' 'I don't think that's going to work for me, but I'm sure we can come up with an agreement.' 'okay friend you can have 3 firewood and 3 water is that good enough?'
Utterance: 'I am going to need some food of course. '

Output: Yes


Input: Consider Input: Context: 'Like i said food is my top priority so i will not do well with less than 2.' 'Then you get two food and no firewood here.😮' 'You mean you can't let up one firewood for me?'
Utterance: 'Not this time, I really need all the firewood and food is a large need for my family of 8. We need the firewood to cook all our meals from the animals we hunt since we are short on food.'

Output: Yes


Input: Consider Input: Context: 'Hey there!' 'Hi! How are you?! You excited for your camping trip??! I sure am ready to go on mine!'
Utterance: 'I am very excited, I'm actually going camping in a week. I drink a lot of water so it's important that I bring a lot. What about you?'


Output: Yes