premise: two people in a rowboat in a river.
hypothesis: A couple people are in a small boat in the water.
explanation_1: The boat is in the river.
explanation_2: A couple is two, a rowboat is a type of small boat, and a river is a body of water.
explanation_3: The phrase a couple people refers to a group of at least two people. A rowboat is a type of boat. A river is a body of water.
premise_logic: exists x1 x2 x3.(a_topic(x1) & in(x1,x2) & in(x2,x3) & n_river(x3) & n_rowboat(x2) & n_people(x1) & card_eq_2(x1))
hypothesis_logic: exists p1 x1 x2 x4.(n_water(x4) & exists s1 x3.(in(x1,x3) & in(x3,x4) & n_boat(x3) & a_small(s1) & Theme(s1,x3)) & n_people(x1) & of(x1,x2) & n_couple(x2))