With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: There are zero actors in Pitch Perfect 3.
text_B: Manning Massif is a large rock massif between Loewe Massif and McLeod Massif in the eastern part of the Aramis Range , Prince Charles Mountains , Antarctica .. massif. massif. Loewe Massif. Loewe Massif. McLeod Massif. McLeod Massif. Aramis Range. Aramis Range. Prince Charles Mountains. Prince Charles Mountains. It was plotted from air photographs , and was first visited by a party from the Australian National Antarctic Research Expeditions -LRB- ANARE -RRB- Prince Charles Mountains survey in 1969 .. Prince Charles Mountains. Prince Charles Mountains. Australian National Antarctic Research Expeditions. Australian National Antarctic Research Expeditions. The massif was named by the Antarctic Names Committee of Australia for J. Manning , a surveyor at Mawson Station in 1967 , and surveyor-in-charge of field survey operations during the ANARE Prince Charles Mountains surveys of 1969 , 1971 and 1972 .. massif. massif. Prince Charles Mountains. Prince Charles Mountains. Antarctic Names Committee of Australia. Antarctic Names Committee of Australia. J. Manning. J. Manning. Mawson Station. Mawson Station
not_related.