With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Winona Rider has only ever been in one film.
text_B: II liga Rugby is the third and lowest national tier league for rugby union in Poland .. rugby union. rugby union. Originally there were two divisions , consisting of 8 teams in the Rugby Ekstraliga and 6 in I liga Rugby , however as the sport is growing in popularity and more and more teams are being registered , third division has now been created , the II liga , which also has 6 teams .. Rugby Ekstraliga. Rugby Ekstraliga. I liga Rugby. I liga Rugby. Although local divisions do exist , there is no official relegation or promotion system between the national level and the local divisions .
not_related.