premise: Kyle Tonetti (born 8 October 1987) is a South Africa born former rugby union player, who represented Ireland at various international levels. He primarily played as a centre, though he also played at fly-half earlier in his career. He last played for Irish provincial team Connacht in the Pro12 before being forced to retire prematurely due to injury.
hypothesis: Rugby can be a dangerous sport.
reason: Kyle was injured. Rugby can be dangerous.