You will be given a definition of a task first, then some input of the task.
This is a paraphrasing task. In this task, you're given a sentence and your task is to generate another sentence which express same meaning as the input using different words.

he had related his tale calmly enough , but the usually firm , confident smile was thin and tight .
Output:
he spoke quietly about it , but his usually firm , self-deprecating smile was now somewhat convulsive .