With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Giacomo Casanova was an Italian.
text_B: This is a summary of the electoral history of Andrew Little , Leader of the New Zealand Labour Party -LRB- 2014 -- present -RRB- , President of the New Zealand Labour Party -LRB- 2009 -- 2011 -RRB- , and Member of Parliament for list -LRB- 2011 -- present -RRB- .. Andrew Little. Andrew Little ( New Zealand politician ). Leader of the New Zealand Labour Party. Leader of the New Zealand Labour Party. President of the New Zealand Labour Party. New Zealand Labour Party#List of presidents. Member of Parliament. Member of parliament
not_related.