premise: The group of people make single file lines on the field.
hypothesis: A group of people swimming.
explanation_1: The people are on a field. There needs to be water to be swimming.
explanation_2: The group of people must either be swimming or making single files lines on the field.
explanation_3: The group is making single file lines on a field they are not swimming.
premise_logic: exists e1 s1 x1 x2 x3 x4 x5.(n_field(x5) & n_group(x1) & Theme(e1,x3) & Actor(e1,x1) & v_make(e1) & on(x3,x5) & n_line(x3) & of(x3,x4) & n_file(x4) & a_single(s1) & Theme(s1,x3) & of(x1,x2) & n_people(x2))
hypothesis_logic: exists x1 x2 x3.(a_topic(x1) & of(x1,x2) & Time(x2,x3) & n_swimming(x3) & n_people(x2) & n_group(x1))
premise_sim: exists e1 s1 x1 x2 x3 x4 x5.(v_make(e1) & on(x3,x5) & of(x3,x4) & of(x1,x2) & n_people(x2) & n_line(x3) & n_group(x1) & n_file(x4) & n_field(x5) & a_single(s1) & Theme(s1,x3) & Theme(e1,x3) & Actor(e1,x1))
hypothesis_sim: exists x1 x2 x3.(of(x1,x2) & n_swimming(x3) & n_people(x2) & n_group(x1) & a_topic(x1) & Time(x2,x3))