A group of people sitting by a lake.
Boy Scouts are camping in the dry desert.
CAMPING IS NOT SITTING
exists e1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & by(e1,x4) & n_lake(x4) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 s1 x1 x2 x3.(n_desert(x3) & a_dry(s1) & Theme(s1,x3) & ne_nam_scouts(x1) & (x1 = x2) & ne_nam_boy(x2) & in(e1,x3) & Actor(e1,x1) & v_camp(e1))