premise: A young boy looking at a picture book.
hypothesis: A boy looking at pictures in a book.
explanation_1: The boy is looking at a picture book so he is looking at pictures in a book
explanation_2: To be looking at pictures in a book, you must be looking at a picture book.
explanation_3: "Pictures in a book" implies that the book the boy is "looking at" is a "picture book".
premise_logic: exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & at(e1,x3) & n_book(x3) & of(x3,x4) & n_picture(x4) & Actor(e1,x2) & v_look(e1) & (x1 = x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_book(x4) & at(e1,x3) & n_picture(x3) & Actor(e1,x2) & v_look(e1) & (x1 = x2) & n_boy(x1))