Does the sentence "Through this selective breeding, the dog has developed into hundreds of varied breeds, and shows more behavioral and morphological variation than any other land mammal." provide a valid answer to the question "Hundreds of different dog breeds exist because of what?" OPTIONS:
- yes
- no

A: yes

Does the sentence "According to one of the company's training manuals, "Comcast does not feel union representation is in the best interest of its employees, customers, or shareholders"." provide a valid answer to the question "In what internal publication was Comcast's union stance formally enumerated?" OPTIONS:
- yes
- no

A: yes

Does the sentence "Harrison's group is shown to have been a classic research school; Pickford's and Hutchinson's were not." provide a valid answer to the question "What did Hutchinson's group research?" OPTIONS:
- yes
- no

A: no

Does the sentence "Many other neighborhoods remain distressed, with extensive abandonment of properties." provide a valid answer to the question "What is one of the problems that currently effects property values in Detroit?" OPTIONS:
- yes
- no

A:
yes