premise: Gianluca Cologna (born 17 May 1990) is a Swiss cross-country skier. His brother Dario Cologna is also a professional cross-country skier. He competed in the 2014 Winter Olympics in the Men's team sprint with his brother Dario and finished 5th in the final.
hypothesis: Gianluca competed in the Winter Olympics in his twenties. 
reason: Gianluca was born in 1990, so he was in his twenties in 2014. 