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.

Input: Consider Input: Question: Because trees add water vapor to air, cutting down forests leads to longer periods of what? Answer: drought

Output: Because trees add water vapor to air, cutting down forests leads to longer periods of drought.


Input: Consider Input: Question: While spermatogenesis produces four haploid sperm cells, oogenesis produces one mature what? Answer: ovum

Output: While spermatogenesis produces four haploid sperm cells, oogenesis produces one mature ovum.


Input: Consider Input: Question: What enthalpy change is observed in an exothermic reaction? Answer: negative


Output: A negative enthalpy change is observed in an exothermic reaction.