You need them to refuel your flying saucer while you gather data energy from farmers' fields, leaving behind arty crop circles.
(You; need; them; to refuel your flying saucer while you gather data energy from farmers' fields,) Context(You need,List([0, 8))):(You; need them to refuel; your flying saucer; T:while you gather data energy from farmers' fields, leaving behind arty crop circles) (you; gather; data energy; from farmers' fields) Context(you gather,List([49, 59))):(you; gather data energy leaving; behind; arty crop circles)
You need,List([0, 8)) you gather,List([49, 59))
You You you you
need need them to refuel gather gather data energy leaving
them to refuel your flying saucer while you gather data energy from farmers' fields,
your flying saucer T:while you gather data energy from farmers' fields, leaving behind arty crop circles
data energy from farmers' fields
behind arty crop circles