The pond is placed either adjacent to or on the building, and it will absorb solar energy and convert it to heat during the day.
(The pond; is placed; either adjacent to or on the building) (it; will absorb; solar energy) (it; convert; it; to heat; T:during the day)
The pond it it
is placed will absorb convert
either adjacent to or on the building
solar energy
it to heat T:during the day