The sentence that contains a misplaced modifier is "The salesman sold the sports car to the young man with the leather seats".
<u>A misplaced modifier is a word, phrase or clause that is occupying an improper place in the sentence because it has been separated from the word or phrase that it is modifying</u>. Types of misplaced modifiers are misplaced adjectives, misplaced adverbs and misplaced phrases. In the sentence "The salesman sold the sports car to the young man with the leather seats",<u> the misplaced modifier is "with the leather seats"</u> since it is separated from the phrase that it is modifying ("the sports car").