With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: SpaceX is a software company.
text_B: Acourtia thurberi , common name Thurber 's desertpeony , is a North American species of plants in the sunflower family .. Acourtia. Acourtia. sunflower family. Asteraceae. It is native to the Sonoran and Chihuahuan Desert regions in northern Mexico -LRB- Chihuahua , Sonora , Durango -RRB- and the southwestern United States -LRB- Arizona , New Mexico -RRB- .. Sonoran. Sonoran Desert. Chihuahuan Desert. Chihuahuan Desert. Mexico. Mexico. Chihuahua. Chihuahua ( state ). Sonora. Sonora. Durango. Durango. United States. United States. Arizona. Arizona. New Mexico. New Mexico
not_related.