With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Celine Dion sings in Shea Stadium.
text_B: Tinagma klimeschi is a moth in the Douglasiidae family .. Douglasiidae. Douglasiidae. Tinagma. Tinagma. moth. moth. It is found in Israel , Egypt and on Rhodes and Cyprus .. Israel. Israel. Egypt. Egypt. Rhodes. Rhodes. Cyprus. Cyprus. The wingspan is 7-9 mm .. wingspan. wingspan. The forewings are white with grey scales .. The larvae feed on Echium diffusum .. Echium diffusum. Echium diffusum. They mine the leaves of their host plant .. mine. leaf miner
not_related.