He found Don Cazar, Bartolomé, and Hilario Trinfan waiting for him by the corral.
Don Cazar, Bartolomé, and Hilario Trinfan had been wondering what was taking him so long to return.
mnli hypothesis: Don Cazar, Bartolomé, and Hilario Trinfan had been wondering what was taking him so long to return. premise: He found Don Cazar, Bartolomé, and Hilario Trinfan waiting for him by the corral.