premise: A crowd of students roaming around a college campus.
hypothesis: The college campus is open.
explanation_1: There is a crowd of students roaming the campus. The word "roaming" indicates a lack of restrictiions, and that would lead one to understand that the campus is open.
premise_logic: exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & around(e1,x4) & n_campus(x4) & of(x4,x5) & n_college(x5) & Actor(e1,x3) & v_roam(e1) & (x2 = x3) & n_student(x2) & n_crowd(x1))
hypothesis_logic: exists s1 x1 x2.(n_campus(x1) & of(x1,x2) & n_college(x2) & Theme(s1,x1) & a_open(s1))
premise_sim: exists e1 x1 x2 x3 x4 x5.(v_roam(e1) & of(x4,x5) & of(x1,x2) & n_student(x2) & n_crowd(x1) & n_college(x5) & n_campus(x4) & around(e1,x4) & a_topic(x1) & Actor(e1,x3) & (x2 = x3))
hypothesis_sim: exists s1 x1 x2.(of(x1,x2) & n_college(x2) & n_campus(x1) & a_open(s1) & Theme(s1,x1))