Multiple choice
Execute the circuit and measure. How likely is the outcome |0⟩?
const c = circuit(1); // random Clifford sequence c.h(0); c.s(0); c.h(0); // recovery: inverse sequence in reverse order c.h(0); c.sdg(0); c.h(0); c.measure(); return c;
Commit your prediction for P(|0⟩) — then run it.