With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Velaiilla Pattadhari 2 has Jim Carey appearing in it.
text_B: The Henry Draper Catalogue -LRB- HD -RRB- is an astronomical star catalogue published between 1918 and 1924 , giving spectroscopic classifications for 225,300 stars ; it was later expanded by the Henry Draper Extension -LRB- HDE -RRB- , published between 1925 and 1936 , which gave classifications for 46,850 more stars , and by the Henry Draper Extension Charts -LRB- HDEC -RRB- , published from 1937 to 1949 in the form of charts , which gave classifications for 86,933 more stars .. astronomical. Astronomy. star catalogue. star catalogue. spectroscopic. spectroscopic. classifications. stellar classification. In all , 359,083 stars were classified .. The original HD catalogue covers the entire sky almost completely down to an apparent photographic magnitude of about 9 ; the extensions added fainter stars in certain areas of the sky .. photographic magnitude. photographic magnitude. The construction of the Henry Draper Catalogue was part of a pioneering effort to classify stellar spectra , and its catalogue numbers are commonly used as a way of identifying stars .
not_related.