Task: Wrong Candidate Generation
Input (English): Context: Day 180 : Cenote Originally uploaded by Jess and Colin Cenotes are caves that formed in collapses in the limestone plateau that is the Yucatan and then filled up with water . Some of them are part of the world 's longest underwater cave system . ( Probably more of them than we can verify , because many of the passages are too small for people or remote cameras to traverse ) . 
Question: What may be the reason these pictures are being uploaded ? 
Correct Answer: We are sharing the pictures we took on our extended research trip .
Output (English): We are uploading the pictures in case something happens to originals .