premise: Person sitting at a desk in a library.
hypothesis: Nobody is sitting.
explanation_1: The person cannot be both sitting and not sitting.
premise_logic: exists e1 x1 x2 x3.(ne_nam_person(x1) & in(e1,x3) & n_library(x3) & at(e1,x2) & n_desk(x2) & Actor(e1,x1) & v_sit(e1))
hypothesis_logic: -exists e1 x1.(Actor(e1,x1) & v_sit(e1) & n_person(x1))
premise_sim: exists e1 x1 x2 x3.(v_sit(e1) & ne_nam_person(x1) & n_library(x3) & n_desk(x2) & in(e1,x3) & at(e1,x2) & Actor(e1,x1))
hypothesis_sim: all e1 x1.(-v_sit(e1) | -n_person(x1) | -Actor(e1,x1))