A boy is upside down in midair near a lake at sunset.
A boy is near Lake Tahoe.
A boy upside down near a lake could be at any lake, not just Lake Tahoe.
exists s1 x1 x2 x3 x4.(at(s1,x4) & n_sunset(x4) & r_upside(s1) & in(s1,x2) & near(x2,x3) & n_lake(x3) & n_midair(x2) & Theme(s1,x1) & a_down(s1) & n_boy(x1))
exists p1 x1 x2 x3.(ne_geo_tahoe(x2) & (x2 = x3) & ne_geo_lake(x3) & near(x1,x2) & n_boy(x1))