premise: Two boys stand in an ocean as the sun sets.
hypothesis: Boys are standing
explanation_1: Boys imply that they are one or two.  Stand and standing is the same action.
explanation_2: The boys standing for see the sun set.
explanation_3: The tow boys are not swimming, so they must stand in the ocean to breathe
premise_logic: exists e1 p1 x1 x2 x3.(n_sun(x3) & exists e2.(Actor(e2,x3) & v_set(e2)) & as(e1,p1) & in(e1,x2) & n_ocean(x2) & Actor(e1,x1) & v_stand(e1) & n_boy(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1.(Actor(e1,x1) & v_stand(e1) & n_boy(x1))