[Q]: The boy painted a picture for his mother.
What is the effect?

[A]: His mother hung the picture on the wall.

[Q]: The woman deleted the email.
What is the cause?

[A]: The sender tried to solicit money from her.

[Q]: The crowd gave the band a standing ovation.
What is the effect?

[A]: The band reappeared on the stage.

[Q]: The farmland needed irrigation.
What is the effect?

[A]:
A canal was constructed.