People have gathered together on a lawn to view something with telescopes, possiblly for scientific purposes.
The people are part of a science club and are going to watch a lunar eclipse.
Not all people using telescopes are part of a science club, nor are all events observable with a telescope a lunar eclipse.
exists e1 p1 p2 x1 x2 x3.(Topic(e1,p2) & exists e2 s2 x4 x5 x6.(r_possiblly(e2) & for(e2,x6) & n_purpose(x6) & a_scientific(s2) & Theme(s2,x6) & with(e2,x5) & n_telescope(x5) & Theme(e2,x4) & Actor(e2,x1) & v_view(e2) & n_thing(x4)) & on(e1,x3) & n_lawn(x3) & exists s1.(Theme(s1,x2) & a_together(s1)) & Topic(e1,p1) & Actor(e1,x2) & v_gather(e1) & n_people(x2) & n_people(x1))
exists e1 p1 p2 x1.(n_people(x1) & Topic(e1,p2) & Actor(e1,x1) & v_go(e1) & exists e2 x5 x6.(Theme(e2,x5) & Actor(e2,x1) & v_watch(e2) & n_eclipse(x5) & of(x5,x6) & n_lunar(x6)) & exists x2 x3 x4.((x1 = x2) & of(x2,x3) & n_club(x3) & of(x3,x4) & n_science(x4) & n_part(x2)))