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: 'I like the sound of getting the firewood, but I can't just accept no food or water.' 'I'll give you one of the extra food so you have a little extra to cook for everyone but I'm really gonna need all that extra water, it's going to be really hot this weekend and the folks at the capsite get to sit in the shade all day' 'Now we are making progress. But come on, I will need at least one water to make sure I'm hydrated. I wouldn't want to get heatstroke out in the woods.'
Utterance: 'The basic supplies include water, the additional supplies are just extra. Plus I think there's a well nearby!'

Output: No


Input: Consider Input: Context: 'Good afternoon, how are doing today? Let's get this thing going. What items are you most interested?'
Utterance: 'Hello , i am well. i dont need much so i would say an equal amount.'

Output: No


Input: Consider Input: Context: 'Me too. It has been rather cold lately! But I am also really interested in water.' 'I don't need the water as much.  How about I get 2 firewood and you get 2 water?' 'I would prefer all the water. You can have all of the firewood.'
Utterance: 'That sounds good to me.  What about the food?'


Output: No