With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ilkhanate contained Iran.
text_B: Penicillium ovatum is a species of the genus of Penicillium which was isolated from forest soil in Kuala Lumpur in Malaysia .. Penicillium. Penicillium. Kuala Lumpur. Kuala Lumpur. Malaysia. Malaysia
not_related.