Problem: William Mercer Cook (January 27, 1869 July 19, 1944), better known as Will Marion Cook, was an African-American composer and violinist from the United States. Cook was a student of Antonin Dvorak and performed for King George V among others. He is probably best known for his popular songs and Broadway musicals, such as "" and "In Dahomey".

Based on the paragraph above can we conclude that "Cook was 75 when he passed away."? OPTIONS:
- Yes
- It's impossible to say
- No

A: Yes

Problem: Johan Gustav Christoffer Thorsager Kjeldahl (] 16 August 1849 18 July 1900), was a Danish chemist who developed a method for determining the amount of nitrogen in certain organic compounds using a laboratory technique which was named the Kjeldahl method after him.

Based on the paragraph above can we conclude that "Kjeldahl died when he was 50 years old"? OPTIONS:
- Yes
- It's impossible to say
- No

A: Yes

Problem: A habitat is an ecological or environmental area that is inhabited by a particular species of animal, plant, or other type of organism. The term typically refers to the zone in which the organism lives and where it can find food, shelter, protection and mates for reproduction. It is the natural environment in which an organism lives, or the physical environment that surrounds a species population.

Based on the paragraph above can we conclude that "Habitats are natural environments."? OPTIONS:
- Yes
- It's impossible to say
- No

A:
Yes