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.

[Q]: Question: What is defined as the velocity of the object at a given moment? Answer: instantaneous velocity
[A]: Instantaneous velocity is defined as the velocity of the object at a given moment.

[Q]: Question: What are four children born at one birth called? Answer: quadruplets
[A]: Four children born at one birth are called quadruplets.

[Q]: Question: Formic acid is found in the secretions of? Answer: stinging ants
[A]:
Formic acid is found in the secretions of stinging ants.