Workers constructing a temporary structure.
The workers are building the structure from wood.
A temporary structure can be made of something other than wood.
exists e1 s1 x1 x2.(ne_nam_workers(x1) & Theme(e1,x2) & Actor(e1,x1) & v_construct(e1) & n_structure(x2) & a_temporary(s1) & Theme(s1,x2))
exists e1 x1 x2 x3.(n_structure(x2) & n_worker(x1) & from(e1,x3) & n_wood(x3) & Theme(e1,x2) & Actor(e1,x1) & v_build(e1))