With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Manchester City F.C. was in a league in the early 2000s.
text_B: The ARM Cortex-A12 is a 32-bit processor core licensed by ARM Holdings implementing the ARMv7-A architecture .. ARM Holdings. ARM Holdings. ARMv7-A architecture. ARM architecture. It provides up to 4 cache-coherent cores .. cache-coherent. cache coherence. The Cortex-A12 is a successor to the Cortex-A9 .. Cortex-A9. ARM Cortex-A9 MPCore. ARM renamed A12 as a variant of Cortex-A17 since the second revision of the core in early 2014 , because they were indistinguishable in performance .. Cortex-A17. ARM Cortex-A17
not_related.