premise: Two boys in running clothes stretching.
hypothesis: The boys are stretching.
explanation_1: The boys are stretching because they are about to run.
explanation_2: stretching and running are the best warm up before the game.
explanation_3: Boys is pleural because there are two, and they are stretching.
premise_logic: exists e1 e2 x1 x2 x3 x4.(a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_run(e2) & Actor(e1,x4) & v_stretch(e1) & (x3 = x4) & n_clothes(x3) & (x1 = x2) & n_boy(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1.(n_boy(x1) & Actor(e1,x1) & v_stretch(e1))