With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Thiokol was also recognized as ATK Launch Systems Group.
text_B: The Biscuit Fire was a wildfire that took place in 2002 that burned nearly 500,000 acre in the Siskiyou National Forest in southern Oregon and northern California , in the Western United States .. Siskiyou National Forest. Siskiyou National Forest. Oregon. Oregon. California. California. wildfire. wildfire. Western United States. Western United States. The fire was named after Biscuit Creek in southern Oregon .. Oregon. Oregon
not_related.