Does the sentence "For instance, p represents the voiceless bilabial stop, and p represents the aspirated bilabial stop." provide a valid answer to the question "p represents what?"

A: yes

Does the sentence "Because of these changes, the Census 2000 data on race are not directly comparable with data from the 1990 census or earlier censuses." provide a valid answer to the question "What year was the last census before the Census 2000?"

A: yes

Does the sentence "His eldest son, Henry III, ruled as king for the majority of the 13th century." provide a valid answer to the question "Who was John's eldest son?"

A: yes

Does the sentence "In 1924, four Douglas-built planes took off from Clover Field to attempt the first aerial circumnavigation of the world." provide a valid answer to the question "What company was the structure at Clover Field for?"

A:
no