The motor boat starts, expects to jam:
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The motor boat starts, moves
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In the hold of a large floating ship
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Opening, Shutting down a spacecraft engine
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Moves, Tug awaits
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Jamming, Water engine, start
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Yacht moves
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Ferry, close the ramp, moves
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Jammed, moves, The motor boat starts
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Tug moves
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Ship engine compartment
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Motor boat will not start
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Jamming, The boat, starts, moves
★★★★★