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: With what does an electromagnetic wave start? Answer: vibrating charged particle

SOLUTION: With vibrating charged particle does an electromagnetic wave start.

PROBLEM: Question: How does the liquid in a thermometer respond to heat or cold? Answer: expands or contracts

SOLUTION: The liquid in a thermometer expands or contracts to respond to heat or cold.

PROBLEM: Question: If a substance has a ph value greater than 7, what does it indicate? Answer: base

SOLUTION:
If a substance has a ph value greater than 7,that indicates that it is base.