A:someone did n't find out that a particular thing happened . B:that thing didn't happen . Answer: difficult
A:someone annoyed a particular person to do a particular thing . B:that person didn't do that thing . Answer: difficult
A:a particular person was n't summoned to do a particular thing . B:that person didn't do that thing . Answer: rb
A:a particular person did n't arrange to do a particular thing . B:that person might or might not have done that thing . Answer: rb
A:someone did n't find out that a particular thing happened . B:that thing might or might not have happened . Answer: difficult
A:a particular person was proclaimed to have a particular thing . B:that person might or might not have had that thing . Answer: rb
A:a particular person was n't informed to do a particular thing . B:that person might or might not have done that thing . Answer: rb
A:someone annoyed a particular person to do a particular thing . B:that person might or might not have done that thing . Answer: difficult
A:a particular person came out to do a particular thing . B:that person might or might not have done that thing . Answer:
difficult