Problem: Alex preferred pure black coffee over latte, because the

My choice: latte has weaker effect on him.

Problem: The boss did not give Cynthia an award, but gave one to Betty, therefore

My choice: Cynthia was sad.

Problem: The stone we had was smoother than the other rock, so the

My choice: stone skipped a farther distance on the pond.

Problem: The dandruff in Eric's hair is more unsubstantial than Steven because

My choice:
Steven never takes care of his hair.