[Q]: The man took notice of the woman.

cause:
[A]: He caught a whiff of her perfume.
[Q]: The woman was mistaken for her sister.

cause:
[A]: The woman looked like her sister.
[Q]: The runner wore shorts.

cause:
[A]: The forecast predicted high temperatures.
[Q]: The button on my shirt fell off.

effect:
[A]:
I sewed the button back on.