A bicyclist wearing a bright blue short-sleeved t-shirt and protective face gear performs a trick implies he is riding a mountain bike performs a flip on a sunny afternoon


Context: "A bicyclist wearing a bright blue short-sleeved t-shirt and protective face gear performs a trick in which he is completely upside down, framed against a background of conifers and a partly-cloudy sky." Claim: "A man riding a mountain bike performs a flip on a sunny afternoon"
Considering the context, is the claim true, false, or unknown?