Woman teaching young boy how to swim.
Woman teaching young boy how to float.
Both swimming and floating are parts of water sports and necessary to learn how 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_float(e1)) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & of(x1,x3) & n_teaching(x3) & (x1 = x2) & ne_nam_woman(x2))