Suppose the predicate F(x, y, t) is used to represent the statement that person x can fool person y at time t. Which one of the statements below expresses best the meaning of the formula $∀x∃y∃t(¬F(x,y,t))$?

The formula ∀x∃y∃t(¬F(x,y,t)) reads: For all x (everyone), there exists some y (some person) and some time t such that x cannot fool y at time t. This means No one can fool some person at some time. More colloquially: Every person has at least one other person they cannot fool at at least one moment. Option A says everyone CAN fool someone (wrong - we have ¬F). Option B says no one can fool everyone all the time (different quantifier structure). Option C says everyone cannot fool some person all the time (wrong - says ∀t not ∃t). Option D correctly captures: there's at least one person each of us fails to fool at some point.