With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lisbon has an area of 100.05 square meters.
text_B: Cement is the fourth album by Die Kreuzen , released on October 22 , 1991 through Touch and Go Records .. Die Kreuzen. Die Kreuzen. Touch and Go. Touch and Go Records. Touch and Go Records. Touch and Go Records
not_related.