To be told in no uncertain terms means to be told very explicitly and emphatically, but this context uses the term in an uncertain manner
Context: "And Jacob had been told in very uncertain terms that if he shoved his piece of wedding cake all over my mouth, mom was confiscating his snowmobile."
Hypothesis: And jacob had been told in no uncertain terms that if he shoved his piece of wedding cake all over my mouth, mom was confiscating his snowmobile.
Based on the context, is the hypothesis true, false, or unknown?