Anchor: Using 4, 10, or 15 sites as case studies might be feasible, but we would still need to be concerned about the risks in generalizability.
Entailed: There are concerns but we can still use the sites.
Contradiction: We can't use the sites at all.
Contradiction: Kidney cell.
Contradiction: The women are consuming a vegetable.
Contradiction: There is a group of people running in a marathon.
Contradiction: I only did part of what I needed to do, so I'll have to take everything off to do the rest.