QUES: Q: What provides the electricity to most light bulbs?
A: Most bulbs are used in a socket which provides mechanical support and electrical connections.
Does the answer answer the question?

ANS: yes

QUES: Q: Where is the Bill and Melinda gates foundation based?
A: Bill & Melinda Gates Foundation (or the Gates Foundation, abbreviated as BMGF) is the largest private foundation in the world, founded by Bill and Melinda Gates.
Does the answer answer the question?

ANS: no

QUES: Q: What is navigation based on?
A: Using the sun for direction involves the need for making compensation based on the time.
Does the answer answer the question?

ANS: no

QUES: Q: When does the spread of antibacterial resistance frequently occurs/
A: The spread of antibacterial resistance often occurs through vertical transmission of mutations during growth and by genetic recombination of DNA by horizontal genetic exchange.
Does the answer answer the question?

ANS:
yes