TASK DEFINITION: Generate a correct and concise answer for the question based on the words in the context.
PROBLEM: 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?

SOLUTION: species

PROBLEM: Context : 25 Scorpii is a star in the Scorpius constellation and located 755 lightyears from Earth with a visual magnitude of 6.72. 
Question : What is the constellation that is made with 25 Scorpii?

SOLUTION: Scorpius

PROBLEM: Context : Bad Girls Road Trip is an American reality television series which aired on Oxygen from June 12, 2007, to July 24, 2007. 
Question : What network does Bad Girls Road Trip air on?

SOLUTION:
Oxygen