Input: OPTIONS:
- Yes
- It's impossible to say
- No

The Houston Rockets are an American professional basketball team based in Houston, Texas. The team plays in the Southwest Division of the Western Conference in the National Basketball Association (NBA). The team was established in 1967, and played in San Diego, California for four years, before moving to Houston, Texas.

Sentence: The Houston Rockets was formed before 1970.

Output: Yes

Input: OPTIONS:
- Yes
- It's impossible to say
- No

The so-called "grandmother hypothesis", based on studies of African hunter-gatherer groups, suggests that infertile women are vital for successful child-rearing despite being unable to produce children themselves.

Sentence: Infertile women do not contribute to child-rearing.

Output: No

Input: OPTIONS:
- Yes
- It's impossible to say
- No

Uncle Burie<br>My uncle Burie is a Viking descendant. He owns a farm with lots of horses. When I was four, he let me ride his baby cow. The cow was walking wobbly with me on his back. I fell in love with the cow, and wouldn't leave his side.

Sentence: Burie has had ancestors from Europe

Output: Yes

Input: OPTIONS:
- Yes
- It's impossible to say
- No

Bad Dog<br>Tom got a new dog. It was not housebroken. Tom often found his apartment messed up. He tried hard to train him to no avail. Tom wound up getting rid of it.

Sentence: Tom's apartment was messed up more than once.

Output:
Yes