Anchor: 1 The advantages and disadvantages of effluent grab and composite samples are listed 
Entailed: The advantages and disadvantages of effluent grab and composite samples are listed
Contradiction: The advantages and disadvantages of effluent grab and composite samples aren't listed
Contradiction: A crocodile swims in the river.
Contradiction: A lady holding a gold club.
Contradiction: A couple of chef's are sitting down eating.
Contradiction: They are walking.