With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Christian Bale edited a biographical film.
text_B: Lactuca canadensis is a species of wild lettuce known by the common names Canada lettuce , Canada wild lettuce , tall lettuce , and Florida blue lettuce .. Lactuca. Lactuca. wild lettuce. Lactuca. Its true native range is not clear , but it is considered to be a native of the eastern and central parts of North America .. North America. North America. It naturalized in the western part of the continent as well as in Eurasia .. Eurasia. Eurasia. Lactuca canadensis is a generally biennial herb in the daisy family growing from a taproot to maximum heights of 50 -- or more .. Lactuca. Lactuca. biennial. Biennial plant. daisy family. Asteraceae. taproot. taproot. The leaves are deeply lobed and occasionally toothed .. leaves are deeply lobed and occasionally toothed. Leaf shape. The top of the stem bears an inflorescence with many flower heads , each up to 1 cm wide when open .. inflorescence. inflorescence. flower heads. Head ( botany ). The heads have many pale yellow ray florets but no disc florets .. ray florets. ray florets. The fruit is a dark-colored achene about half a centimeter -LRB- 0.2 inches -RRB- long with a white pappus .. achene. achene. pappus. Pappus ( flower structure )
not_related.