With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Twilight Saga films feature Kristen Stewart.
text_B: D. bakeri may refer to  :. Delphinium bakeri , the Baker 's larkspur , a perennial herb species endemic to California. Delphinium bakeri. Delphinium bakeri. Ducula bakeri , the Vanuatu Imperial-pigeon , a bird species endemic to Vanuatu. Ducula bakeri. Ducula bakeri
not_related.