premise: Workers are arranging a window and some lumber along the ground.
hypothesis: The workers are day laborers.
explanation_1: One cannot tell from what they works are doing that they are day laborers.
explanation_2: Just because the workers are doing manual labor does not imply day labor.
explanation_3: Not all workers are day laborers
premise_logic: exists e1 x1 x2 x3 x4 x5.(n_ground(x5) & Theme(e1,x2) & Actor(e1,x1) & v_arrange(e1) & subset_of(x4,x2) & along(x4,x5) & n_lumber(x4) & subset_of(x3,x2) & n_window(x3) & n_worker(x1))
hypothesis_logic: exists p1 x1.(n_worker(x1) & exists x2 x3.((x1 = x2) & n_laborer(x2) & of(x2,x3) & n_day(x3)))