Given the premise, is the hypothesis maintaining a neutral stance? Premise: I had an additional reason for that belief in the fact that all the cups found contained sugar, which Mademoiselle Cynthia never took in her coffee.  Hypothesis: There was evidence that there had been sugar in all of the cups.
I had an additional reason for that belief in the fact that all the cups found contained sugar, which Mademoiselle Cynthia never took in her coffee. ###There was evidence that there had been sugar in all of the cups.