premise: A group of men work on some streetcar rails.
hypothesis: The group of men are fixing the rails.
explanation_1: " Work on" means " fixing ".
explanation_2: WORKING IS FIXING THE RAILS
explanation_3: Fixing something requires you to be working on the problem.
premise_logic: exists e1 s1 x1 x2 x3.(on(e1,x3) & n_rail(x3) & a_streetcar(s1) & Theme(s1,x3) & Actor(e1,x1) & v_work(e1) & of(x1,x2) & n_man(x2) & n_group(x1))
hypothesis_logic: exists e1 x1 x2 x3.(n_rail(x3) & n_group(x1) & Theme(e1,x3) & Actor(e1,x1) & v_fix(e1) & of(x1,x2) & n_man(x2))