premise: A middle-aged man works under the engine of a train on rail tracks.
hypothesis: A guy is driving to work.
explanation_1: A man cannot be driving while he works under the engine.
explanation_2: Driving is not accomplished by working under the engine of a train
explanation_3: A man that works under the engine of a train on rail tracks cannot be driving to work same time.
premise_logic: exists s1 x1 x2 x3 x4 x5 x6.(n_engine(x3) & a_topic(x1) & under(x1,x3) & of(x3,x4) & on(x4,x5) & n_track(x5) & of(x5,x6) & n_rail(x6) & n_train(x4) & n_work(x1) & of(x1,x2) & n_man(x2) & a_middle-aged(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2.(to(e1,x2) & n_work(x2) & Actor(e1,x1) & v_drive(e1) & n_guy(x1))