Other water-based activities include a glass-bottomed boat-ride or a trip under the water in the Aquascope submarine to see the excellent underwater environment.
The only way to view the underwater environment is in a submarine.
mnli hypothesis: The only way to view the underwater environment is in a submarine. premise: Other water-based activities include a glass-bottomed boat-ride or a trip under the water in the Aquascope submarine to see the excellent underwater environment.