premise: A teacher is talking to a classroom full of children.
hypothesis: A teacher is explaining the course of the day's lesson plans.
explanation_1: The teacher could have been talking about many other things than the course of the day's lesson plans.
explanation_2: You can not infer  the teacher is explaining.
explanation_3: A teacher talking to a class is not always explaining the day's lesson plans.
premise_logic: exists e1 s1 x1 x2 x3 x4.(to(e1,x2) & of(s1,x4) & n_child(x4) & Theme(s1,x3) & a_full(s1) & (x2 = x3) & n_classroom(x2) & Actor(e1,x1) & v_talk(e1) & n_teacher(x1))
hypothesis_logic: exists e1 x1 x2 x3 x4 x5.(n_plan(x4) & of(x4,x5) & n_lesson(x5) & of(x4,x3) & n_day(x3) & n_course(x2) & Theme(e1,x2) & Actor(e1,x1) & v_explain(e1) & of(x2,x4) & n_teacher(x1))
premise_sim: exists e1 s1 x1 x2 x3 x4.(v_talk(e1) & to(e1,x2) & of(s1,x4) & n_teacher(x1) & n_classroom(x2) & n_child(x4) & a_full(s1) & Theme(s1,x3) & Actor(e1,x1) & (x2 = x3))
hypothesis_sim: exists e1 x1 x2 x3 x4 x5.(v_explain(e1) & of(x4,x5) & of(x4,x3) & of(x2,x4) & n_teacher(x1) & n_plan(x4) & n_lesson(x5) & n_day(x3) & n_course(x2) & Theme(e1,x2) & Actor(e1,x1))