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 need 3 food packages as it is required to feed children who visited unexpectedly. Instead you can take water and firewood' 'No that doesn't work for me. I also have children with me. 4 children in total.  how about i take 2 food packages and 2 water packages and you take 1 food 1 water and 3 firewood packages.' 'I too have the same issue. I am also asking for children only , better you could accept 1 food , 2 water and 3 firewood, I hope this deal will work out for you'
Utterance: 'I need at least 2 food packages and at least 1 water. I can live with out any extra firewood.'

Output: No


Input: Consider Input: Context: 'Hello, I would really like to get most of the water and firewood packages.'
Utterance: 'You can have most of the water and firewood if I can have most of the food. I would like to get two of the firewood so I have a nice fire to come back to after searching for a source of water.'

Output: Yes


Input: Consider Input: Context: 'HI, my heater hasn't arrived yet and we are in need of extra firewood. Plus, we're camping where there is 6 months of darkness, in Sweden. 😮'
Utterance: 'hi turker i will be needing firewood as well because i need to keep warm while i camp.i suggest i take 2 firewood, 1 water and 1 food while you can have 1 firewood, 2 water and two foods'


Output: Yes