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 other-need strategy, otherwise output No. other-need is a selfish negotiation strategy. It is used when the participants discuss a need for someone else rather than themselves. For instance, describing the need for firewood to keep the kids warm.

Example Input: Context: 'I haven't got too the site yet but I am almost there.  I can't wait to finally relax!  I have been going nonstop for days.  Good idea to check supplies!' 'We're nearly there and just realized that we must have missed picking up some of our stuff before leaving.' 'Were we supposed to bring things?  Oh, no!  I'm gonna die...'
Utterance: 'Of course, it's always wise to bring things. We absolutely need water and some food. Water is critical though.'
Example Output: Yes

Example Input: Context: 'Are you sure you won't get hungry? I am open to giving you the two waters, but I want to make sure its the best deal for you. I would want 2 firewoods and 2 foods in exchange.' 'brother  k ,  bro  2 water and 2 wire wood 1 firewood can you given?' 'I think that that is acceptable to me. I want to make sure we both understand: I get 1 Water, 2 Firewood, 2 Food Packages. You get 2 Waters, 1 Firewood, 1 Food Package. I will have to ration my water, but I think the extra comfort is worth it. Does this work for you? '
Utterance: 'bro its not profitable ratiobro gave 3 water 1 firewood, remaning you can take'
Example Output: No

Example Input: Context: 
Utterance: 'Hi, I would like two firewoods and two food. You can take everything else. Does that work for you?'
Example Output:
No