A cyclist leans his bike against a tree near the campers .
A bike leaves his bike on the ground .
A cyclist leans his bike against a tree near the campers.
A bike leaves his bike on the ground.
A bike can't leave a bike. He either leaned it against a tree or left it on the ground, not both.
A bike ca n't leave a bike . He either leaned it against a tree or left it on the ground , not both .