A male taking a nap on a hot afternoon.
A human taking a nap.
A male is a human and both sentences involve taking a nap.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_afternoon(x4) & a_hot(s1) & Theme(s1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_take(e1) & n_nap(x3) & (x1 = x2) & n_male(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_take(e1) & n_nap(x3) & (x1 = x2) & n_human(x1))