One possibility is that the ovens may have been used to bake acorn cakes.
(the ovens; to bake; acorn cakes) (One possibility; is; that the ovens may have been used to bake acorn cakes) Context(One possibility is,List([0, 18))):(the ovens; may have been used; to bake acorn cakes)
One possibility is,List([0, 18))
the ovens One possibility the ovens
to bake is may have been used
acorn cakes
that the ovens may have been used to bake acorn cakes
to bake acorn cakes