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.
exists e1 x1 x2 x3 x4.(n_camper(x4) & Theme(e1,x2) & Actor(e1,x1) & v_lean(e1) & against(x2,x3) & near(x3,x4) & n_tree(x3) & n_bike(x2) & of(x2,x1) & n_male(x1) & n_cyclist(x1))
exists e1 x1 x2 x3.(n_ground(x3) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_leave(e1) & n_bike(x2) & of(x2,x1) & n_male(x1) & n_bike(x1))