Choose the correct synonym of the word highlighted in each sentence from the alternatives given below it:    A dozen gentlemen were engaged in a warm dispute.

"Dispute" is a noun that refers to a disagreement, argument, or conflict between individuals or groups. (a) discussion: While "discussion" shares the idea of people exchanging ideas, it may not convey the same level of intensity or disagreement implied by "dispute." (b) speech: "Speech" refers to a formal address or presentation and does not capture the sense of disagreement or conflict. (c) conversation: "Conversation" is a more general term for a verbal exchange and may lack the confrontational or intense aspect of a "dispute." (d) argument: This is the correct synonym. An "argument" refers to a verbal disagreement or debate, often characterized by opposing viewpoints and intensity, which aligns well with the context of a warm dispute.