With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Colombia is a South American country.
text_B: Hypsoma -LRB- Babylonian nisirti asar or bit nisirti ; `` hidden place '' ; pl .. hypsomata -RRB- is a Greek word indicating the Ecliptic higher point of a celestial body , as seen from Earth .. Ecliptic. Ecliptic. In Babylonian astronomy -LRB- wherein we have the prime mention of the phenomenon -RRB- the hypsomata of stars and planets are described in the Astrolabe B and in the mul.APIN  : each star of Ea 's path has its special hypsoma .. Astrolabe B. Astrolabe B. Ea ( Babylonian god )
not_related.