Assertion: verbena's oil | /r/HasProperty | essential
Facets:
Source sentences:
text: Lemon Verbena is cultivated for its essential oil in Morocco, Algeria and France.
text: Lemon verbena is cultivated for its essential oils.
text: Lemon verbena is cultivated for its essential oils.
text: Not only do they grow it as an ornamental shrub, they also use its essential oils in the production of lemon-scented perfumes and soaps like Savon de Marseille.
text: Lemon verbena is cultivated for its essential oils.