A:someone did n't volunteer for a particular thing to happen . B:that thing didn't happen . Answer: testing
A:a particular person did n't promise to have a particular thing . B:that person might or might not have had that thing . Answer: sum
A:someone did n't testify that a particular thing happened . B:that thing didn't happen . Answer: testing
A:a particular person did n't calculate to do a particular thing . B:that person might or might not have done that thing . Answer: sum
A:someone did n't sign up a particular person to do a particular thing . B:that person might or might not have done that thing . Answer: sum
A:a particular person phoned to do a particular thing . B:that person might or might not have done that thing . Answer: sum
A:someone did n't volunteer for a particular thing to happen . B:that thing happened . Answer: testing
A:someone did n't testify that a particular thing happened . B:that thing happened . Answer: testing
A:someone was fascinated that a particular thing happened . B:that thing might or might not have happened . Answer:
testing