premise: A girl is peeking in a window.
hypothesis: Girl peeking in window.
explanation_1: The sentences mean the same thing, one with article a and is and one without.
premise_logic: exists e1 x1 x2.(in(e1,x2) & n_window(x2) & Actor(e1,x1) & v_peek(e1) & n_girl(x1))
hypothesis_logic: exists x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_window(x3) & n_peeking(x1) & (x1 = x2) & ne_nam_girl(x2))
premise_sim: exists e1 x1 x2.(v_peek(e1) & n_window(x2) & n_girl(x1) & in(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists x1 x2 x3.(ne_nam_girl(x2) & n_window(x3) & n_peeking(x1) & in(x1,x3) & a_topic(x1) & (x1 = x2))