Teacher:In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Teacher: Now, understand the problem? Solve this instance: Michael Chang did this when he won the French Open in 1989 at the age of 17 .
Student:
Chang 's most significant youngest-ever record came in 1989 when he won the French Open at the age of , to become the youngest male player ever to win a Grand Slam title .