If "3972042 fc2 work" refers to:
: Participants looked at or pointed to markers on a table as instructed by a robot. End-effector Targets (ET) 3972042 fc2 work
Based on available database records, FC2-PPV-3972042 is an adult video production titled (translated) "This is a mistake, this is impossible. Unprecedented orgasm x...". If "3972042 fc2 work" refers to: : Participants