With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Joaquin Phoenix supports humanitarian organizations.
text_B: Andrey Pavlovich Petrov -LRB- Андреи Павлович Петров September 2 , 1930 -- February 15 , 2006 -RRB- was a Russian and Soviet composer .. Russian. Russians. Soviet. Soviet Union. composer. composer. He was named a People 's Artist of the USSR in 1980 .. Andrey Petrov is known for his music for numerous classic Soviet films such as I Step Through Moscow , Beware of the Car , and Office Romance .. Soviet. Soviet Union. I Step Through Moscow. I Step Through Moscow. Beware of the Car. Beware of the Car. Office Romance. Office Romance
not_related.