premise: A worker is doing a job on scaffolding.
hypothesis: Nobody is working
explanation_1: If nobody is working, a worker cannot be doing a job.
explanation_2: Doing a job and nobody working is opposite to each other.
explanation_3: One sentence say the worker is doing a job the other sentence says nobody is working
premise_logic: exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & on(x2,x3) & n_scaffolding(x3) & n_job(x2) & n_worker(x1))
hypothesis_logic: -exists e1 x1.(Actor(e1,x1) & v_work(e1) & n_person(x1))
premise_sim: exists e1 x1 x2 x3.(v_do(e1) & on(x2,x3) & n_worker(x1) & n_scaffolding(x3) & n_job(x2) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: all e1 x1.(-v_work(e1) | -n_person(x1) | -Actor(e1,x1))