A man aims a gun at a target.
A man is target practicing for his new job.
A man aiming his gun at a target is not necessarily target practicing.
exists e1 x1 x2 x3.(at(e1,x3) & n_target(x3) & Theme(e1,x2) & Actor(e1,x1) & v_aim(e1) & n_gun(x2) & n_man(x1))
exists p1 s1 x1 x4.(exists x2 x3.((x1 = x2) & for(x2,x4) & n_practicing(x2) & of(x2,x3) & n_target(x3)) & n_job(x4) & a_new(s1) & Theme(s1,x4) & of(x4,x1) & n_male(x1) & n_man(x1))