Context:
Yes. Because my husband and I had left early -- we had our infant with us and he needed to get home -- we had heard that there were comments that were said after we left about teachers should be fired if they don't listen to the school board's directive. And we wanted to hear that for ourselves, so my husband had previously requested the tapes and then at that meeting he stood again to request the tapes. In addition, Barrie Callahan had stood to request the tapes at that meeting, as well.
Hypothesis: The husband wanted the tapes to help out the teachers
It's impossible to say
Context:
Marine biologist on effect of climate change on marine life Kevin Kocot is a marine biologist originally from Maryville, Illinois. He studies invertebrates, which means he goes on deep-sea expeditions to Iceland, Australia and even the Antarctic in search of tiny mollusks. Tracking these and other animals
Hypothesis: Marine biologist contains a z
No
Context:
Aleksandr Yakovenko, an official representative of the Russian ForeignMinistry, has announced that, in connection with the recent terrorist actin Srinagar, about 100 Russian citizens will be evacuated from Pakistan inthe near future.
Hypothesis: because of all the terrorist  attacks  an official  representative  state within two years all Russians will be evacuated

It's impossible to say