Anchor: Bikers are racing fiercely as a crowd cheers on.
Entailed: People are watching a bike race.
Contradiction: A biker fell down and the crowd sat in awe.
Contradiction: A person was sitting in a Starbucks cafe
Contradiction: I can do it if you need me to. 
Contradiction: A man swims in a lake.
Contradiction: To avoid reinventing the wheel the officials and staff were supportive of the IT based  mechanisms