Choose the sentence with the correct use of the idiom/phrase from the given list:

He turned a blind eye to his son's prank

The correct answer is Option (2) - He turned a blind eye to his son's prank

• "Turn a blind eye" is an idiom that means to deliberately ignore or overlook something, often a wrongdoing.
• The sentence "He turned a blind eye to his son's prank" correctly uses this idiom in a grammatically and contextually appropriate way.

1. "His son put off a blind eye prank": Incorrect, as "put off" and "blind eye prank" do not make sense.
2. "His father's blind eye turned at his prank": Incorrect, as this phrase is not a recognized idiom and is awkwardly phrased.
3. "He turned blind to his son's prank": Incorrect, as it alters the idiom and changes its meaning.