With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Stockard Channing was involved in movies.
text_B: The following is a list of aircraft production by Germany during World War II by type and year .. World War II. World War II. Note that some figures may not be accurate , and it is not comprehensive .. Aircraft variants of different roles are listed separately .. Related types are listed next to each other ; see RLM aircraft designation system for an explanation .. RLM aircraft designation system. RLM aircraft designation system
not_related.