root = Answer([a, b, c])
```qasm bell
OPENQASM 3.0;
qubit[2] q;
bit[2] c;
h q[0];
cx q[0], q[1];
c = measure q;
```
a = Barchart(@Sample(bell, 10))
b = Histogram(@Run(bell, 10))
c = @Simulate(bell)