With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Chris O'Dowd appeared in the second season of Girls.
text_B: Antennaria pulchella is a North American species of flowering plants in the daisy family known by the common names showy pussytoes and handsome pussytoes .. Antennaria. Antennaria. daisy family. Asteraceae. It is widespread across much of Canada including the three Arctic Territories , as well as in parts of the United States -LRB- Alaska , the northern Rocky Mountains and northern Cascades -RRB- .. Canada. Canada. United States. United States. Alaska. Alaska. Rocky Mountains. Rocky Mountains. Cascades. Cascade Range
not_related.