With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The blue whale's body can be various shades of greenish-red dorsally.
text_B: Flying Pyramids , Soaring Stones is a documentary about a team of engineers -LRB- led by innovation specialist Maureen Clemmons -RRB- attempting to lift heavy obelisks using nothing but kites , and prove that the ancient Egyptians may have used wind power to erect their great monuments .. Egyptians. Ancient Egypt. wind power. wind power. The program ends with the team 's successful raising of an 14-ton obelisk -LRB- thought at the time to be 11 tons -RRB- .. obelisk. obelisk. It aired internationally on The History Channel in 2004 .. The History Channel. The History Channel. The documentary was produced by Beth Murphy of Principle Pictures .. Beth Murphy. Beth Murphy. Principle Pictures. Principle Pictures. The obelisk raising mechanism was designed by Emilio Graff , then a student at Caltech , and built by many volunteers from the Los Angeles area , Lancaster , and Quartz Hill .. obelisk. obelisk. Emilio Graff. Emilio Graff. Caltech. Caltech. Los Angeles. Los Angeles. Lancaster. Lancaster, CA. Quartz Hill. Quartz Hill, CA
not_related.