With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Robin Thicke has worked with a rapper.
text_B: Dasylirion wheeleri -LRB- desert spoon , spoon flower , or common sotol -RRB- is a flowering plant native to arid environments of northern Mexico , in Chihuahua and Sonora and in the southwestern United States , in the Sonoran Desert in Arizona , and also in New Mexico and Texas .. flowering plant. flowering plant
not_related.