With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Colin Firth is a performer.
text_B: Paraconger guianensis is an eel in the family Congridae -LRB- conger / garden eels -RRB- .. Congridae. Congridae. Paraconger. Paraconger. eel. eel. It was described by Robert H. Kanazawa in 1961 .. Robert H. Kanazawa. Robert H. Kanazawa. It is a tropical , marine eel which is known from French Guiana and northern Brazil , in the western Atlantic Ocean .. eel. eel. tropical. tropical. marine. Marine biology. French Guiana. French Guiana. Brazil. Brazil. Atlantic Ocean. Atlantic Ocean. It is known to dwell at a depth of 73 metres .
not_related.