Sentence 1: They could not travel upriver because several sets of cataracts blocked passage and they did not know that the waters traveled from the heartland of Africa.

Sentence 2: Cataracts block travel up the river.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: yes

Question:
Personal Communication with John Bushman, Alstom, July 10, 2001.

Does it follow that "John Bushman is a person of interest in the year 2001."?
OPTIONS:
- yes
- it is not possible to tell
- no
Answer:
it is not possible to tell

Q: If things that uh get you on the edge of your seat a little too much for her, can we say that "She doesn't like being on the edge of her seat, except at the movies."?
OPTIONS:
- yes
- it is not possible to tell
- no

A: it is not possible to tell

Premise:
"yeah you know uh is he going to yell at me for buying this with this you know and he's not a yeller though but"
Hypothesis: He doesn't care what I buy and never checks.
OPTIONS:
- yes
- it is not possible to tell
- no

no

input question: Leonardo da Vinci's Last Supper (Cenacolo) has been lovingly resuscitated in the little Dominican refectory to the left of the church. If this premise is true, does that tell us:"The Last Supper has been carefully restored in the little Dominican refectory. "?

OPTIONS:
- yes
- it is not possible to tell
- no

output answer: yes

Q: If Administration officials confirmed that Clinton was deliberately 1) rolling out the carpet to enhance Arafat's prestige and 2) sending Israel a warning not to screw up the peace process by provoking further conflict., can we say that "Administration officials said Clinton was sending a warning to North Korea."?
OPTIONS:
- yes
- it is not possible to tell
- no

A:
no