premise: A young boy is on a patio crowded with metal tables and chairs and 2 yellow umbrellas.
hypothesis: A young boy is on a patio with lots of funiture.
explanation_1: Metal tables and chairs are lots of funiture.
explanation_2: The first part of the two sentences are the same.  The phrase lots of furniture is a good description of the various furniture objects named in sentence one and the young boy is the subject of both sentences.
explanation_3: Metal tables, chairs, and two yellow umbrellas are forms of furniture.
premise_logic: exists p1 s1 x1.(exists e1 s2 x2 x3 x4 x5 x6 x7 x8 x9.(on(x1,x2) & with(e1,x4) & subset_of(x9,x4) & n_umbrella(x9) & a_yellow(s2) & Theme(s2,x9) & n_date(x9) & a_date_day_02(x9) & a_date_day_02(x9) & subset_of(x5,x4) & subset_of(x8,x5) & n_chair(x8) & subset_of(x6,x5) & n_table(x6) & of(x6,x7) & n_metal(x7) & Theme(e1,x3) & v_crowd(e1) & (x2 = x3) & n_patio(x2)) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
hypothesis_logic: exists p1 s1 x1.(exists x2 x3 x4.(on(x1,x2) & with(x2,x3) & of(x3,x4) & n_funiture(x4) & n_lot(x3) & n_patio(x2)) & n_boy(x1) & a_young(s1) & Theme(s1,x1))