For instance, even when using the same type of plant, there were quite a few variables that could change the actual hue of the dye: the type of soil in which the plant grew, the weather during a particular growing season, or the freshness of the plants.
(quite a few variables; could change; the actual hue of the dye) (the plant; grew; L:soil)
quite a few variables the plant
could change grew
the actual hue of the dye
L:soil