Woman teaching young boy how to swim.
Man teaching young boy how to swim.
It's either a woman or a man teaching the young boy to swim.
exists p1 s1 x1 x2 x3.(a_topic(x1) & Topic(x1,p1) & exists e1.(Actor(e1,x1) & v_swim(e1)) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & of(x1,x3) & n_teaching(x3) & (x1 = x2) & ne_nam_woman(x2))
exists p1 s1 x1 x2 x3.(a_topic(x1) & Topic(x1,p1) & exists e1.(Actor(e1,x1) & v_swim(e1)) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & of(x1,x3) & n_teaching(x3) & of(x1,x2) & n_man(x2))