With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Davis Entertainment has three problems.
text_B: Clava can refer to  :. Mu Bootis , a triple star system in the constellation Bootes. Mu Bootis. Mu Bootis. Clava cairn , a type of Bronze Age circular chamber tomb cairn. Clava cairn. Clava cairn. Gracile nucleus , an area of the brain that participate in the sensation of fine touch and proprioception of the lower body. Gracile nucleus. Gracile nucleus. The club-like segments at the end of some insect antennae. antennae. Insect morphology#Antennae. Clava multicornis , a species of marine hydroid. Clava multicornis. Clava multicornis
not_related.