A scuba diver who has descended to the bottom of the ocean floor reaches out to pet a large sea turtle .
Chances are about even that a scuba diver has always felt that sea turtles were his favorite sea creature .
Chances are about even that a scuba diver has always felt that sea turtles were his favorite sea creature .
There is almost no chance that a scuba diver has always felt that sea turtles were his favorite sea creature .
A scuba diver has always felt that sea turtles were his favorite sea creature .