premise: A group of people are walking down a sidewalk beside the beach.
hypothesis: There are people near a beach.
explanation_1: Answer; People can be walking a sidewalk only near a beach.
explanation_2: The group of people in sentence 1 are near the beach, the same way they are described in sentence 2.
explanation_3: walking down a sidewalk beside the beach is inferred as  near a beach.
premise_logic: exists e1 s1 x1 x2 x3 x4.(n_beach(x4) & beside(e1,x4) & a_down(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_walk(e1) & n_sidewalk(x3) & of(x1,x2) & n_people(x2) & n_group(x1))
hypothesis_logic: exists p1 x1 x2 x3.((x1 = x2) & near(x2,x3) & n_beach(x3) & n_people(x2))
premise_sim: exists e1 s1 x1 x2 x3 x4.(v_walk(e1) & of(x1,x2) & n_sidewalk(x3) & n_people(x2) & n_group(x1) & n_beach(x4) & beside(e1,x4) & a_down(s1) & Theme(e1,x3) & Manner(e1,s1) & Actor(e1,x1))
hypothesis_sim: exists x1 x2 x3.(near(x2,x3) & n_people(x2) & n_beach(x3) & (x1 = x2))