Does the sentence "Carnival (see other spellings and names) is a Christian festive season that occurs before the Christian season of Lent." provide a valid answer to the question "Who is the Carnival open to?"

A: no

Does the sentence "The civil system was based on local administrative units based on the region's characteristics." provide a valid answer to the question "On type of system were the civil administrations of the empire based on?"

A: yes

Does the sentence "This is of great concern to space missions, where an obscured telescope or solar cell can ruin an expensive mission." provide a valid answer to the question "Why can outgassing products ruin a space mission?"

A: no

Does the sentence "Shaw University is located in this part of the city." provide a valid answer to the question "What university is in this part of Raleigh?"

A:
yes