With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sarah Silverman was involved with an animated film.
text_B: Yusof Ishak Secondary School -LRB- abbreviation  : YISS -RRB- is a government secondary school located in Bukit Batok , Singapore .. abbreviation. abbreviation. secondary school. secondary school. Bukit Batok. Bukit Batok. Singapore. Singapore. Yusof Ishak. Yusof Ishak. The school is named after Yusof Ishak who was the first president of Singapore .. Singapore. Singapore. Yusof Ishak. Yusof Ishak
not_related.