Anchor: Actually, what Tufte says is, [T]he two rivers meander boustrophedonically around a tight frame.
Entailed: Tufte says rivers wind around.
Contradiction: Tufte says the river is dried up.
Contradiction: I'll only accept him. 
Contradiction: The man made sure it was evaluated, and you thought the possibility was silly too.
Contradiction: There is a group of people on a safari.
Contradiction: Japan is trying to find its spot economically.