Participant mturk_agent_1's preferences:
value2issue: Low: Food
Medium: Water
High: Firewood
value2reason: Low: in case i get hungry 
Medium: i need water to drink
High: I need firewood to keep warm 

Participant mturk_agent_2's preferences:
value2issue: Low: Food
Medium: Water
High: Firewood
value2reason: Low: I brought a big family with me and they are hungry
Medium: I brought a big family with me and they are thirsty
High: It will be super cold tonight

Negotiation dialogue:
mturk_agent_2: Hey there!  Are you exited to go camping?

mturk_agent_1: yes i am 

mturk_agent_2: Awesome!  Would you mind sharing your highest priority items with me so we can come up with a fair deal?

mturk_agent_1: Im in need of Firewood

mturk_agent_2: Okay, I am in need of firewood too since it will be so cold tonight unfortunately.  But I would be willing to only accept 1 firewood if I can have 2 of water and 2 of food

mturk_agent_1: sorry i cant do that

mturk_agent_2: Why not?  That way you would get 4 packages in total and 2 of your most valuable ones.  I would get 5 packages in total but only 1 of my most valuable ones?

mturk_agent_1: Okay could you exchange me Food as well?

mturk_agent_2: How about I get 1 firewood, 2 water, 2 food.  You get 2 firewood, 1 water, 1 food?

mturk_agent_1: okay thats a deal

mturk_agent_2: Submit-Deal

mturk_agent_1: Accept-Deal