Anchor: Pitfalls Not collecting the right amount of data
Entailed: By not collecting the right amount of data, there will be pitfalls.
Contradiction: There shouldn't be any problems related to an insufficient amount of data.
Contradiction: Two dogs fight over the last chicken bone.
Contradiction: You could hire a bicycle or in-line skates instead.
Contradiction: The team was trying to overwork him to help heal the problems he was having with his ankle. 
Contradiction: A band has instruments.