People are enjoying shade underneath colored umbrellas.
The people are underneath the umbrellas
It doesnt specify that they are underneath the umbrellas, just that the shade is coming from the umbrellas. It depends on the suns position, which also isnt mentioned.
exists e1 e2 s1 x1 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_enjoy(e2) & n_umbrella(x2) & Theme(e1,x2) & v_color(e1) & of(x2,x3) & n_underneath(x3) & a_shade(s1) & Theme(s1,x2) & n_people(x1))
exists p1 x1 x2.(n_umbrella(x2) & n_people(x1) & underneath(x1,x2))