Translate the following sentence to Czech:
Except, as she stopped by the brook, Trisha realized that it most surely wasn't.

Czech:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Jenomže když se Trisha zastavila u potoka, uvědomila si, že vlastně taková tma není.