The tennis player wears a headband to protect his eyes from sweat .
It is almost certain that the basketball player wears a sweatband to keep the sweat out of his eyes .
It is impossible that the basketball player wears a sweatband to keep the sweat out of his eyes .
It is almost certain that the basketball player wears a sweatband to keep the sweat out of his eyes .
The basketball player wears a sweatband to keep the sweat out of his eyes .