Anchor: On the other hand, the officials and staff were supportive of efforts to better coordinate the use of ITbased participation mechanisms in order to avoid each agency reinventing the wheel.
Entailed: To avoid reinventing the wheel the officials and staff were supportive of the IT based  mechanisms
Contradiction: Each of the agencies worked on the project alone - the implementation will be much past the deadline
Contradiction: There are two mechanics working on the street,
Contradiction: four bicyclists in front of a shack
Contradiction: I don't think I would. 
Contradiction: There is a group of onlookers.