With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: William Shatner played a firefighter.
text_B: VoteSpotter is a mobile app developed by Michigan-based free market think tank Mackinac Center for Public Policy to track votes by elected officials in the United States .. Mackinac Center for Public Policy. Mackinac Center for Public Policy. mobile app. mobile app. free market. free market. think tank. think tank. United States. United States
not_related.