Text: Overgeneralization, compared to actual basis for site selection, number of sites studied, and requirements for inference in the design; inadequate interpretation, unintegrated narrative, results not adequately related to user questions; inadequate attention to threats to impartiality and the extent to which these have been avoided
Entailment: There are many ways that the asking of questions and investigation can be flawed.
Contradiction: questions and investigation cannot be designed in a way that is flawed.