Anchor: Doesn't look like the Betsy Ann coming back, either."  The something whizzed by again, in the other direction, but lower and slower.
Entailed: The thing made another pass, this time lower and slower.
Contradiction: The something did not return again, and all was quiet.
Contradiction: Don't bother.
Contradiction: There are at least 3 people.
Contradiction: a man holds a baby
Contradiction: The street has several motorized cycles.