Workers wearing reflective vests working near a train car.
Workers wear reflective vests near trains as part of a training exercise.
Not all workers wearing reflective vests near train cars are part of training exercises.
exists e1 e2 s1 x1 x2 x3 x4 x5.(Theme(e2,x2) & Actor(e2,x1) & v_wear(e2) & near(e1,x4) & n_car(x4) & of(x4,x5) & n_train(x5) & Actor(e1,x3) & v_work(e1) & (x2 = x3) & n_vest(x2) & a_reflective(s1) & Theme(s1,x2) & n_worker(x1))
exists e1 s1 x1 x2 x3 x4 x5 x6.(as(e1,x4) & of(x4,x5) & n_exercise(x5) & of(x5,x6) & n_training(x6) & n_part(x4) & near(e1,x3) & n_train(x3) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_vest(x2) & a_reflective(s1) & Theme(s1,x2) & n_worker(x1))