premise: A man wearing sunglasses is sitting on the steps outside, reading a magazine.
hypothesis: The man is sitting.
explanation_1: A man is sitting on steps.
explanation_2: A man sitting on the steps is definitely sitting, and the object he is sitting on can be omitted.
explanation_3: Sitting on the steps implies the man's action of sitting
premise_logic: exists e3 e1 e2 s1 x1 x2 x3 x4 x5.(n_step(x4) & for(e2,e3) & Theme(e3,x5) & Actor(e3,x1) & v_read(e3) & n_magazine(x5) & a_outside(s1) & Manner(e2,s1) & on(e2,x4) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_sunglass(x3) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists e1 x1.(n_man(x1) & Actor(e1,x1) & v_sit(e1))