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.

[EX Q]: Question: Elements below the second period, such as silicon, do not form what as readily as second-period elements, and when they do form, they are weaker than those formed by second-period elements? Answer: n bonds
[EX A]: Elements below the second period, such as silicon, do not form n bonds as readily as second-period elements, and when they do form, they are weaker than those formed by second-period elements.

[EX Q]: Question: What flows like taffy or hot wax? Answer: molten rock
[EX A]: Molten rock flows like taffy or hot wax.

[EX Q]: Question: What is capable of altering the rate of time passing? Answer: strong gravitational fields
[EX A]:
Strong gravitational fields are capable of altering the rate of time passing.