A man is pulling a little boy out of the water.
A father is rescuing his son from a pond.
Just because there is a man does not mean he is a father. Pulling does not imply rescuing. Little boy does not imply son. Water does not imply pond.
exists e1 s1 x1 x2 x3.(n_water(x3) & of(e1,x3) & r_out(e1) & Theme(e1,x2) & Actor(e1,x1) & v_pull(e1) & n_boy(x2) & a_little(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3.(from(e1,x3) & n_pond(x3) & Theme(e1,x2) & Actor(e1,x1) & v_rescue(e1) & n_son(x2) & of(x2,x1) & n_male(x1) & n_father(x1))