Rabbits sit in a cage, another cage near the rabbits appears to be empty.
rabbits are part of an experiment
It cannot be inferred that the rabbits are part of an experiment.
exists e1 e2 p1 x1 x2 x3.(Topic(e2,p1) & Actor(e2,x3) & v_appear(e2) & exists s1.(Theme(s1,x3) & a_empty(s1)) & near(x3,x1) & n_rabbit(x1) & n_rabbit(x1) & n_cage(x3) & -(x3 = x2) & n_cage(x2) & n_cage(x2) & in(e1,x2) & Actor(e1,x1) & v_sit(e1))
exists p1 x1.(exists x2 x3.((x1 = x2) & of(x2,x3) & n_experiment(x3) & n_part(x2)) & n_rabbit(x1))