Identify the coordinating conjunction.

The lines of that dress are simple yet elegant.

dress

yet

are

The answer is yet.

Explanation:

The answer is Yet because a coordinating conjunction is a word or phrase placed between words to show that the two words that are joined by the coordinating conjunction are both ways to describe something. in this example " The lines of that dress are simple yet elegant" the word yet shows that the words simple and elegant are both ways to describe the lines in the dress