Identify the meaning of the idiom given in the following sentence:

Rohit's clarity of thought is unmistakable. He never fails to call a spade a spade.

speak honestly

The correct answer is Option (3) → speak honestly

The idiom "call a spade a spade" means to speak frankly and directly, without trying to hide or sugarcoat the truth. It implies honesty and straightforwardness in communication. In the context of the sentence provided, it suggests that Rohit is clear and direct in expressing his thoughts and opinions, never shying away from speaking the truth, even if it may be uncomfortable or unpopular.