Jan and Carl have each made a proposal to settle a dispute regarding how to perform a particular task. Neither seems to like the other's suggestion. To overcome this impasse, they might do all the following except:

a. Revisit the problem they are trying to solve to be sure they have adequately defined it
b. Delve deeper into the two solutions suggested to see if a workable solution can be carved from them
c. Brainstorm the full range of possible solutions before locking into only a few narrow solutions
d. Spend more time discussing the problem and their mutual interests before identifying solutions

b