premise: Man in chair laughing and talking to others, while handling books.
hypothesis: Man sells books to crowd.
explanation_1: Handling books does not imply that the man sells them.  Others does not imply that there is a whole crowd.
explanation_2: Just because a man is talking to others and handling books does not mean he sells books to the crowd.
explanation_3: Just because handling books does not mean that he sells books.
premise_logic: exists e2 e1 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & in(x1,x2) & while(e1,e2) & Theme(e2,x7) & Actor(e2,x5) & v_handle(e2) & n_book(x7) & subset_of(e1,x2) & to(e1,x6) & -(x6 = x1) & n_person(x1) & n_person(x6) & Actor(e1,x5) & v_talk(e1) & n_thing(x5) & subset_of(x3,x2) & n_laughing(x3) & of(x3,x4) & n_chair(x4) & n_man(x1))
hypothesis_logic: exists e1 x1 x2 x3.(ne_nam_man(x1) & to(e1,x3) & n_crowd(x3) & Theme(e1,x2) & Actor(e1,x1) & v_sell(e1) & n_book(x2))
premise_sim: exists e2 e1 x1 x2 x3 x4 x5 x6 x7.(while(e1,e2) & v_talk(e1) & v_handle(e2) & to(e1,x6) & subset_of(x3,x2) & subset_of(e1,x2) & of(x3,x4) & n_thing(x5) & n_person(x6) & n_person(x1) & n_man(x1) & n_laughing(x3) & n_chair(x4) & n_book(x7) & in(x1,x2) & a_topic(x1) & Theme(e2,x7) & Actor(e2,x5) & Actor(e1,x5) & -(x6 = x1))
hypothesis_sim: exists e1 x1 x2 x3.(v_sell(e1) & to(e1,x3) & ne_nam_man(x1) & n_crowd(x3) & n_book(x2) & Theme(e1,x2) & Actor(e1,x1))