In some cases, after implementing and monitoring an agreement for a while, the parties may realize that it is necessary to start from the beginning with the collaborative process because

a. they did not properly define the problem, so they must come to an agreement on what the true problem is.

b. the agreement overall seems to be working out, but a few aspects of the agreement are troublesome.

c. they did not fully explore all possible options that might resolve the problem, and the option they selected is not working.

d. a and

c, but not b

e. a and

b, but not c

f. b and

c, but not a g. all the above