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.

Example Input: Question: Plant cells have structures that animal cells? Answer: lack
Example Output: Plant cells have structures that animal cells lack.

Example Input: Question: Which statement best describes the Law of Superposition? Answer: In undisturbed layers of sedimentary rock, the lowest layers contain the older rocks.
Example Output: The law of superposition is best described by: in undisturbed layers of sedimentary rock, the lowest layers contain the older rocks.

Example Input: Question: Because their embryos are surrounded by a thin membrane, reptiles are considered what? Answer: amniotes
Example Output:
Because their embryos are surrounded by a thin membrane, reptiles are considered amniotes.