With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Nicki Minaj released 3 audio publications between 2007 and 2009.
text_B: A mixtape -LRB- also mix-tape or mix tape -RRB- is a home-made compilation of music -LRB- typically copyrighted songs taken from other sources -RRB- recorded in a specific order , traditionally onto a cassette tape , though later replaced by CD or MP3 playlist formats .. cassette tape. cassette tape. MP3. MP3. playlist. playlist. The songs can be sequential , or by beatmatching the songs and creating overlaps and fades between the end of one song and the beginning of another the tape may become a seamless whole .. beatmatching. beatmatching. Compilations may include a selection of favorite songs , or music linked by theme or mood , perhaps tailored to the tape 's intended recipient .. Writing in 2004 , essayist Geoffrey O'Brien called the personal mix tape `` perhaps the most widely practiced American art form '' .. Geoffrey O'Brien. Geoffrey O'Brien. `` Mixtape '' is also used in hip hop to describe certain types of recordings , typically self-produced and independently released albums that are issued free of charge to gain publicity and / or circumvent possible copyright infringement .. hip hop. hip hop
related.