premise: Two dirt bikers- one in black and red, sporting number 64, the other in blue and white displaying a red '21'- round the corner of a tree-lined track. hypothesis: The two bikers, both friends and competitors, round the final curve of the final race of the season.
neutral: not all dirt bikers are friends and not all races are the final race.|neutral: Riding bikes together doesn't necessarily make you friends or competitors, and doesn't necessarily mean they were in a race.|neutral: Just because two dirt bikers- one in black and red, sporting number 64, the other in blue and white displaying a red '21'- round the corner of a tree-lined track does not mean they are friends or are on the final race of the season.