sentences:  The Loch Ness Monster later chases the gang, Shannon and Del into a bog, where it is revealed to simply be a canvas covering Chillman's van.Fred deduces the Loch Ness Monster to be a decoy, and sets up a trap to catch the real one.Fred sends Shaggy and Scooby out on the loch to act as bait, while he and Del prepare to use nets to surround the cove to capture the Loch Ness Monster.