The jar that the caterpillars and the cocoons were in was full of this web like stuff.
(the caterpillars and the cocoons; were; in) (The jar that the caterpillars and the cocoons were in; was; full of this web like stuff)
the caterpillars and the cocoons The jar that the caterpillars and the cocoons were in
were was
in
full of this web like stuff