A young child playing with a toy while laying on the floor.
A child is sleeping in a bed.
A child can not be playing with a toy while laying on the floor while sleeping in a bed.
(x)
exists e1 x1 x2.(in(e1,x2) & n_bed(x2) & Actor(e1,x1) & v_sleep(e1) & n_child(x1))