the tiger is being trained by the man
The tiger is receiving training.
the tiger is receiving the training by the man.
exists e1 x1 x2.(n_man(x2) & n_tiger(x1) & Actor(e1,x2) & Theme(e1,x1) & v_train(e1))
exists e1 x1 x2.(n_tiger(x1) & Theme(e1,x2) & Actor(e1,x1) & v_receive(e1) & n_training(x2))