With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Anna Kendrick wrote a history of the cinematic musical comedy.
text_B: Clear Creek -LRB- Inaam in Karuk -RRB- is a tributary of the upper Sacramento River in northern California .. Sacramento River. Sacramento River. Karuk. Karuk language. tributary. tributary. California. California
not_related.