A boy in red is jumping in a playground sandpit.
boy trying friends back yard
Playground sandpit is not always in a back yard.
exists e1 x1 x2 x3 x4.(in(e1,x3) & n_sandpit(x3) & of(x3,x4) & n_playground(x4) & Actor(e1,x1) & v_jump(e1) & in(x1,x2) & n_red(x2) & n_boy(x1))
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & Time(e1,x4) & n_yard(x4) & a_back(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_try(e1) & n_friend(x3) & (x1 = x2) & n_boy(x1))