instruction:
Generate a correct and concise answer for the question based on the words in the context.
question:
Context : Jessica Pegula (born February 24, 1994) is an American professional tennis player. 
Question : What was Jessica Pegula's occupation?
answer:
tennis player


question:
Context : The Roviana rail (Gallirallus rovianae) is a species of bird in the family Rallidae. 
Question : Is the taxon rank of Roviana rail species or genus?
answer:
species


question:
Context : UniFirst Corporation is a uniform rental company based in Wilmington, Massachusetts, United States, that manufactures, sells, and rents uniforms and protective clothing. 
Question : The product of UniFirst is what?
answer:

uniform