Red and Yellow have joined up.
Black is stuck behind Hoop 4
Blue is too far away to be sure of hitting Yellow

Shot 1 Play blue to a position for rushing Red off the lawn.
Shot 2 Take a Bisque and rush Red off the lawn so that it is well separated from Yellow.
Shot 3 Stop-shot Red to Hoop 2, leaving Blue in a position to rush Yellow to Hoop 1.
Shot 4 Rush Yellow to Hoop 1.

If Blue goes too far then:
Shot 4 Rush Yellow to Hoop 4 and take off to a position to rush Black to Hoop 1.