Today I spent half a day repairing fish habitat on a river of ours.
(I; spent; half a day; repairing fish habitat on a river of ours; T:Today) Context(I spent,List([6, 13))):(I; spent half a day repairing; fish habitat on a river of ours)
I spent,List([6, 13))
I I
spent spent half a day repairing
half a day repairing fish habitat on a river of ours T:Today
fish habitat on a river of ours