With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: 28 Days (film) was unable to cast Elizabeth Perkins.
text_B: Caguas Sporting FC is an association football team that plays in Caguas .. association football. association football. Caguas. Caguas, Puerto Rico. They currently play in the Puerto Rico Soccer League .. Puerto Rico Soccer League. Puerto Rico Soccer League. This team is from Caguas , Puerto Rico .. Caguas. Caguas, Puerto Rico
not_related.