A boy opening a present.
a boy opens present
Opening and opens are the same action
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_open(e1) & n_present(x3) & (x1 = x2) & n_boy(x1))
exists e1 s1 x1.(a_present(s1) & Manner(e1,s1) & Actor(e1,x1) & v_open(e1) & n_boy(x1))