With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Peyton Manning played football for 18 seasons.
text_B: Sedum oblanceolatum is a species of flowering plant in the stonecrop family known by the common names oblongleaf stonecrop and Applegate stonecrop .. Sedum. Sedum. stonecrop family. Crassulaceae. It is native to the Klamath Mountains of southwestern Oregon and far northern California , where it grows on many types of rocky substrate , such as serpentine soils and other ultramafics .. Klamath Mountains. Klamath Mountains. Oregon. Oregon. California. California. It is a succulent plant forming basal rosettes of waxy leaves .. succulent plant. succulent plant. The leaves are widely lance-shaped , widest near the distal end and narrowing to rounded or notched tips .. Smaller leaves occur farther up the stem .. The small inflorescence grows a few centimeters tall and bears up to 50 flowers in a flat-topped array .. inflorescence. inflorescence. The flowers have cream or yellowish petals up to a centimeter long .
not_related.