TASK DEFINITION: In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
PROBLEM: Question: What are living echinoderms divided into five of? Answer: clades

SOLUTION: Living echinoderms aredivided into five clades.

PROBLEM: Question: Boron only occurs naturally in compounds with what element? Answer: oxygen

SOLUTION: Boron only occurs naturally in compounds with oxygen element.

PROBLEM: Question: What is the name of film that polyester fibers form? Answer: mylar

SOLUTION:
The name of film that polyester fibers form is mylar.