premise: Guys digging around a tree in the ground.
hypothesis: Guys dig around a tree
explanation_1: Digging and dig are different verb tenses of the same word.
premise_logic: exists e1 x1 x2 x3.(n_ground(x3) & ne_nam_guys(x1) & in(e1,x3) & around(e1,x2) & n_tree(x2) & Actor(e1,x1) & v_dig(e1))
hypothesis_logic: exists x1 x2 x3.(a_topic(x1) & around(x1,x3) & n_tree(x3) & n_dig(x1) & (x1 = x2) & ne_nam_guys(x2))
premise_sim: exists e1 x1 x2 x3.(v_dig(e1) & ne_nam_guys(x1) & n_tree(x2) & n_ground(x3) & in(e1,x3) & around(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists x1 x2 x3.(ne_nam_guys(x2) & n_tree(x3) & n_dig(x1) & around(x1,x3) & a_topic(x1) & (x1 = x2))