premise: A child wearing a green t-shirt takes his first steps across a playground bridge.
hypothesis: A child at a playground.
explanation_1: The bridge is part of the playground.
explanation_2: the child must be at a playground because he went across a playground bridge
explanation_3: A playground bridge would have to be located at a playground.
premise_logic: exists e2 e1 s1 s2 x1 x2 x3 x4 x5 x6.(Theme(e2,x4) & Actor(e2,x1) & v_take(e2) & across(x4,x5) & n_bridge(x5) & of(x5,x6) & n_playground(x6) & n_step(x4) & a_first(s2) & Theme(s2,x4) & of(x4,x1) & n_male(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_t-shirt(x3) & a_green(s1) & Theme(s1,x3) & (x1 = x2) & n_child(x1))
hypothesis_logic: exists x1 x2.(a_topic(x1) & at(x1,x2) & n_playground(x2) & n_child(x1))