Does the sentence "Tracing the genealogy of African Americans can be a very difficult process, especially for descendants of Indigenous Americans, because African Americans who were slaves were forbidden to learn to read and write, and a majority of Indigenous Americans neither spoke English, nor read or wrote it." provide a valid answer to the question "Who made it next to impossible to learn about their heritage for African Americans?" OPTIONS:
- yes
- no

A: no

Does the sentence "Chemoreception is the physiological response of a sense organ (i.e. taste or smell) to a chemical stimulus where the chemicals act as signals to regulate the state or activity of a cell." provide a valid answer to the question "Animal taste and smell rely on what kind of communication?" OPTIONS:
- yes
- no

A: no

Does the sentence "The Vietnam War was a war fought between 1959 and 1975 on the ground in South Vietnam and bordering areas of Cambodia and Laos (see Secret War) and in the strategic bombing (see Operation Rolling Thunder) of North Vietnam." provide a valid answer to the question "What was the name of the strategic bombing of North Vietnam?" OPTIONS:
- yes
- no

A: yes

Does the sentence "The collector voltage drops because of reduced resistance from collector to emitter." provide a valid answer to the question "Why does the collector voltage drop in grounded-emitter transistor circuits?" OPTIONS:
- yes
- no

A:
yes