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 Input:
Question: What phase is pure chlorine present as? Answer: gas

Ex Output:
Gas phase is pure chlorine present as.


Ex Input:
Question: Natural convection is driven by what forces? Answer: buoyant

Ex Output:
Natural convection is driven by buoyant forces.


Ex Input:
Question: What is the science that describes the ancestral and descendant connections between organisms? Answer: phylogeny

Ex Output:

Phylogeny is the science that describes the ancestral and descendant connections between organisms.