Anchor: However, the interpretation of the results of the analysis of the data from any of the toxicity tests described in this manual can become problematic because of the inherent variability and sometimes unavoidable anomalies in biological data.
Entailed: Biological data have ben known to have  inherent variability and sometimes unavoidable anomalies.
Contradiction: Toxicity tests are of no importance in generation reports. 
Contradiction: The students are on a tire swing
Contradiction: Ladies are dancing by a man wearing a turban and robe.
Contradiction: Two hundred percent higher if retail service costs are removed from rural.
Contradiction: A man is at the beach.