Text: When you reach the canal, technically the Levassor River (the propeller, or h??lice, was invented by a Martiniquais, Gilbert Canque, and tested for the first time in this rather murky stream), you'll want to croseover the stone footbridge.
Entailment: The canal is a rather murky stream, you'll want to cross over the stone footbridge.
Contradiction: The beautiful canal has since separated and is no longer a part of the Levassor River.