Question: Adenium and Witch-hazel are both what kind of plant?
Sentence (from "Witch-hazel cone gall aphid"): The witch-hazel cone gall aphid ("Hormaphis hamamelidis") is a minuscule insect, a member of the aphid superfamily, whose presence on a witch-hazel plant is easily recognizable by a red conical gall structure.
Relevant evidence: No