Please answer the following question: Generate a question about the following movie plot: While carrying out his research as a travel journalist, cynical American Pete McKell joins a group of tourists on a crocodile watching river cruise in Kakadu National Park of Australia's Northern Territory. Among the other passengers are a photographer named Simon, a local Australian family of Elizabeth, Sherry, and Allen, a local couple named Gwen and Russell, an American couple named Mary Ellen and Everett, local tour guide Kate Ryan, and Kevin, her dog. After a run-in with two locals, Neil and Collin, the cruise winds to a close and Kate prepares to return the group to base.Everett spots a flare in the distance, and Kate tells the group that they must investigate to determine whether someone is in distress. A few miles up river, they come across a half-sunken boat when suddenly something crashes into the tourists' boat, creating a crack in the side. Kate's only choice is to run it ashore on a small island in the middle of the river. The group disembarks and begins discussion of what to do. Everett suddenly disappears, pulled into the water by an unseen predator. Kate comes to the conclusion that they are in the heart of a large crocodile's territory and that it will be more aggressive than usual. As the afternoon wears on, the tourists realize that the tide is rising: in a matter of hours their small island will be submerged.Neil and Collin arrive soon after and as they near the island, the 25-foot long crocodile smashes Neil and Collin's boat and sinks it. Neil manages to swim to the island safely, but Collin has disappeared.As night falls, Neil proposes that he swim to the mainland and string a rope between two trees, creating a zip-line to allow the group to cross above the river. Neil succeeds in setting up the rope and Mary Ellen crosses first only to freeze in fear halfway across. Allen becomes impatient and aggressive and attempts to get himself and Sherry across with Mary Ellen still on the line. While trying to secure the rope, Neil is attacked by the crocodile and gets eaten alive. The tree...
Answer:
What did Kate use to bait the crocodile in an attempt to cross the river?