premise: A group of attentive students are paying attention to a college lecture.
hypothesis: Students are at the park.
explanation_1: The same group of students cannot both be attending a lecture and be at the park at the same time.
explanation_2: They're either at a college lecture or at the park.
explanation_3: Students are probably not at the park if they are paying attention to a college lecture.
premise_logic: exists e1 s1 x1 x2 x3 x4 x5.(to(e1,x4) & n_lecture(x4) & of(x4,x5) & n_college(x5) & Theme(e1,x3) & Actor(e1,x1) & v_pay(e1) & n_attention(x3) & of(x1,x2) & n_student(x2) & a_attentive(s1) & Theme(s1,x2) & n_group(x1))
hypothesis_logic: exists p1 x1 x2.(n_park(x2) & at(x1,x2) & n_student(x1))
premise_sim: exists e1 s1 x1 x2 x3 x4 x5.(v_pay(e1) & to(e1,x4) & of(x4,x5) & of(x1,x2) & n_student(x2) & n_lecture(x4) & n_group(x1) & n_college(x5) & n_attention(x3) & a_attentive(s1) & Theme(s1,x2) & Theme(e1,x3) & Actor(e1,x1))
hypothesis_sim: exists x1 x2.(n_student(x1) & n_park(x2) & at(x1,x2))