root = Answer([counts, check])
s = @Sample(bell, 200, 7)
counts = Histogram(s)
```qasm bell
OPENQASM 3.0;
qubit[2] q;
bit[2] c;
h q[0];
cx q[0], q[1];
c = measure q;
```
want = {"00": 0.5, "11": 0.5}
check = Verdict(@Check(bell, {"00": 0.5, "11": 0.5}, 1e-9))