Three blondes are at the edge of a river. They must absolutely pass on the other side

Three blondes are at the edge of a river. They must absolutely pass on the other side ... Miracle! A genie appears and grants a wish to each of the blondes:
The first request to be transformed into fish. Executed, she passes on the other side.
The second is transformed into a boat and crosses too.
And the third is turned into brunette and goes over the bridge!
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