Is the following sentence factually correct?
"Immanuel Kant composed film scores in the 20th century."
Options:
- yes
- no

Let me think out loud. Immanuel Kant was a philosopher from the Age of Enlightenment. The answer is no.

Yes / no, is the following a verifiable fact?
"Margaret Atwood never married in her life, she spend all her life writing books."

Let me think out loud. Atwood married Jim Polk, an American writer, in 1968, but later divorced in 1973. The answer is no.

Is the following sentence factually correct?
"Famous German composer Richard Wagner composed Lohengrin."
Options:
- yes
- no
Let me think out loud. True, this is one of his most well-known works. The answer is yes.