Question: We're talking about president of the United States.
The president of the United States is Donald Trump.
OPTIONS:
- yes
- it is not possible to tell
- no

Answer: it is not possible to tell

Question: Tommy was amply employed, and debarred from joining him in the chase, the girl felt at a loose end.
The girl happily joined Tommy in the chase.
OPTIONS:
- yes
- it is not possible to tell
- no

Answer: no

Question: Knowing the basis on which the case instances were selected, for example, is crucial in cumulation; otherwise it is not possible to know whether best case, worst case, typical, or the like instances are being aggregated.
There are many cases that were selected through out the history of looking over the cases.
OPTIONS:
- yes
- it is not possible to tell
- no

Answer:
it is not possible to tell