In one to two sentences, explain how using the negative connotation of a word instead of positive can impact a sentence,

Using the negative connotation of a word can make a sentence seem more critical or judgmental, while using the positive connotation can make the sentence seem more appreciative or supportive. The choice of connotation can influence the overall tone and meaning of the sentence.

can you make it shorter?

Using the negative connotation of a word can make a sentence sound critical, while using the positive connotation can make it sound supportive.