One night around sunset, I happened to be looking up at the sky when I saw a formation of what appeared to be 7 or 8 unresolvable lights flying westwards in a V-shaped constellation.
(I; happened; T:One night around sunset) (I; to be looking up; at the sky; T:when I saw a formation of what appeared to be 7 or 8 unresolvable lights) (I; saw; a formation of what appeared to be 7 or 8 unresolvable lights)
I I I
happened to be looking up saw
T:One night around sunset
at the sky T:when I saw a formation of what appeared to be 7 or 8 unresolvable lights
a formation of what appeared to be 7 or 8 unresolvable lights