2022-075

What are the partitions of this bipartite graph?

1. P1={a, c, f, h, i, k}    P2={b, d, e, g, j, l}
2. P1={a, d, f, g, i, l}    P2={b, c, e, h, j, k}
3. P1={a, d, f, h, j, k}    P2={b, c, e, g, i, l}
4. P1={a, d, e, h, i, l}    P2={f, g, b, c, j, k}
5. None of the above

Original idea by: Márcia Jacobina