Boy building a structure using items found in a meadow.
A boy is currently in a meadow.
Just because a boy is building using items found in a meadow doesn't imply the boy is currently in a meadow.
exists e2 e1 e3 x1 x2 x3 x4 x5.(ne_nam_boy(x1) & for(e1,e3) & Theme(e3,x3) & Actor(e3,x1) & v_use(e3) & in(e2,x5) & n_meadow(x5) & Theme(e2,x4) & v_find(e2) & (x3 = x4) & n_item(x3) & Theme(e1,x2) & Actor(e1,x1) & v_build(e1) & n_structure(x2))
exists p1 s1 x1.(a_currently(s1) & Manner(p1,s1) & exists x2.(in(x1,x2) & n_meadow(x2)) & n_boy(x1))