With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ivan Lendl has a record of nine consecutive finals.
text_B: The Java Persistence Query Language -LRB- JPQL -RRB- is a platform-independent object-oriented query language defined as part of the Java Persistence API -LRB- JPA -RRB- specification .. object-oriented. object-oriented. query language. query language. Java Persistence API. Java Persistence API. JPQL is used to make queries against entities stored in a relational database .. It is heavily inspired by SQL , and its queries resemble SQL queries in syntax , but operate against JPA entity objects rather than directly with database tables .. SQL. SQL. In addition to retrieving objects -LRB- SELECT queries -RRB- , JPQL supports set based UPDATE and DELETE queries .
not_related.