Question: Which is true?
Choices:
text: the moon is a source of light with powerful nuclear reactions
label: A
text: the sun is a source of evil with powerful nuclear reactions
label: B
text: the sun is a source of light with weak, low-temperature reactions
label: C
text: the sun is a source of light with powerful nuclear reactions
label: D
Answer: D
Fact: a star is a source of light through nuclear reactions