We spent the afternoon plodding through muddy lots that we were assured would some day become grassy lawns.
(We; spent; the afternoon; plodding through muddy lots) Context(We spent,List([0, 8))):(We; spent the afternoon plodding; through muddy lots) (we; were assured; would some day become grassy lawns)
We spent,List([0, 8))
We We we
spent spent the afternoon plodding were assured
the afternoon plodding through muddy lots
through muddy lots
would some day become grassy lawns