With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Try is the second single from Pink's studio album.
text_B: A keychain camera is a very small and inexpensive digital camera .. digital camera. digital camera. Keychain cameras typically have a plastic lens , flip-up viewfinder and , as the name implies , a keyring .. lens. lens ( optics ). viewfinder. viewfinder. Due to their low cost , they are frequently used as promotional giveaways , sometimes imprinted with the name of a company or product .. In the 20th century , the same term was used to refer to 110 film cameras of similar specification , in which often the 110 film cartridge formed part of the camera body .. 110 film. 110 film. For reference you can find the full database and all the versions of the Key Chain camera on this link  : http : /  / www.chucklohr.com / 808 / index.shtml. Category  : Cameras by type
not_related.