premise: Old hands are working on a task.
hypothesis: There are people working on a task for school
explanation_1: Old hands does not imply people, and working on a task does not imply the task is for school.
premise_logic: exists e1 x1 x2 x3.(on(e1,x3) & n_task(x3) & Actor(e1,x1) & v_work(e1) & n_hand(x1) & (x1 = x2) & ne_nam_old(x2))
hypothesis_logic: exists p1 x1 e1 x2 x3 x4 x5.((x1 = x2) & for(e1,x5) & n_school(x5) & on(e1,x4) & n_task(x4) & Actor(e1,x3) & v_work(e1) & (x2 = x3) & n_people(x2))
premise_sim: exists e1 x1 x2 x3.(v_work(e1) & on(e1,x3) & ne_nam_old(x2) & n_task(x3) & n_hand(x1) & Actor(e1,x1) & (x1 = x2))
hypothesis_sim: exists x1 e1 x2 x3 x4 x5.(v_work(e1) & on(e1,x4) & n_task(x4) & n_school(x5) & n_people(x2) & for(e1,x5) & Actor(e1,x3) & (x2 = x3) & (x1 = x2))