With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Valerian and the City of a Thousand Planets features an actor.
text_B: The Church of St Thomas the Martyr at Overmonnow , Monmouth , south east Wales , is located beside the medieval Monnow Bridge across the River Monnow .. Monmouth. Monmouth. Wales. Wales. Overmonnow. Overmonnow. Monnow Bridge. Monnow Bridge. River Monnow. River Monnow. At least part of the building dates from around 1180 , and it has a fine 12th-century Norman chancel arch , though the exterior was largely rebuilt in the early 19th century .. Norman. Norman architecture. chancel. chancel. It is one of 24 buildings on the Monmouth Heritage Trail and is a Grade II * listed building .. Monmouth. Monmouth. Monmouth Heritage Trail. Monmouth Heritage Trail
not_related.