Anchor: In that case, there are nondictatorial voting systems that both respect unanimity and eliminate flip-flops.
Entailed: There are voting systems that respect unanimity do exist. 
Contradiction: The only voting system that respects unanimity and stops flip-flops is a dictatorial one. 
Contradiction: a man stands alone at his desk
Contradiction: He wanted to know if the inhabitants were large amongst their own world.
Contradiction: That's awful!
Contradiction: Two friends are walking down the street