With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sage Stallone was an American.
text_B: Josiah Dwight Whitney -LRB- November 23 , 1819 -- August 15 , 1896 -RRB- was an American geologist , professor of geology at Harvard University -LRB- from 1865 -RRB- , and chief of the California Geological Survey -LRB- 1860 -- 1874 -RRB- .. geology. geology. Harvard University. Harvard University. California Geological Survey. California Geological Survey. Through his travels and studies in the principal mining regions of the United States , Whitney became the foremost authority of his day on the economic geology of the U.S. Mount Whitney , the highest point in the continental United States , and the Whitney Glacier , the first confirmed glacier in the United States , on Mount Shasta , were both named after him by members of the Survey .. United States. United States. geology. geology. economic geology. economic geology. Mount Whitney. Mount Whitney. continental United States. continental United States. Whitney Glacier. Whitney Glacier. Mount Shasta. Mount Shasta
not_related.