Beach goers look at a heart left in the sky by a sky writer.
A group of college students is on spring break.
Beach goers are not necessarily college students on spring break.
exists e2 e1 x1 x2 x3 x4 x5 x6.(at(e1,x3) & Actor(e2,x6) & n_writer(x6) & of(x6,x5) & n_sky(x5) & n_sky(x5) & in(e2,x5) & Theme(e2,x4) & v_leave(e2) & (x3 = x4) & n_heart(x3) & Actor(e1,x1) & v_look(e1) & n_goer(x1) & (x1 = x2) & ne_per_beach(x2))
exists p1 x1 x2 x3.(exists x4 x5.(on(x1,x4) & n_break(x4) & of(x4,x5) & n_spring(x5)) & of(x1,x2) & n_student(x2) & of(x2,x3) & n_college(x3) & n_group(x1))