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 form when water vapor condenses in the air around specs of matter? Answer: clouds

SOLUTION: Clouds form(s) when water vapor condenses in the air around specs of matter.

PROBLEM: Question: In which way do particles of water move in deep water? Answer: circles

SOLUTION: In circles way do particles of water move in deep water.

PROBLEM: Question: The binary halides are an important subclass of what? Answer: salts

SOLUTION:
The binary halides are an important subclass of salts.