If you want to go farther out to sea without getting your feet wet, Coral World also has a state-of-the-art yellow submarine.
The yellow submarine can dive to depths of 1000 meters.  
mnli hypothesis: The yellow submarine can dive to depths of 1000 meters.   premise: If you want to go farther out to sea without getting your feet wet, Coral World also has a state-of-the-art yellow submarine.