With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ella Purnell is a Chinese actress.
text_B: Bangalore Commuter Rail -LRB- Kannada  : ಬ ಗಳ ರ ಪ ರಯ ಣ ಕರ ರ ಲ -RRB- is approved in 2014 / 2015 Railway Budget for suburban railway service for the city of Bangalore .. Bangalore. Bengaluru. Kannada. Kannada. So far no progress has been made .
not_related.