Does the sentence "In 1870, Charles Taze Russell and others formed a group in Pittsburgh, Pennsylvania, to study the Bible." provide a valid answer to the question "Where did Russell and others form their group?" OPTIONS:
- yes
- no

A: yes

Does the sentence "The American people are mostly multi-ethnic descendants of various culturally distinct immigrant groups, many of which have now developed nations." provide a valid answer to the question "Who are descendents of various culturally distinct groups?" OPTIONS:
- yes
- no

A: yes

Does the sentence "As a major Chinese city, Nanjing is home to many professional sports teams." provide a valid answer to the question "What building is home to Jiangsu Sainty?" OPTIONS:
- yes
- no

A: no

Does the sentence "Chlorophyll absorbs green light poorly because it first arose in organisms living in oceans where purple halobacteria were already exploiting photosynthesis." provide a valid answer to the question "Why are many plants green?" OPTIONS:
- yes
- no

A:
no