I got a question for you: Filet mignon (/ file minj /; French for "tender fillet" or "delicate / fine fillet") is a steak cut of beef taken from the smaller end of the tenderloin, or psoas major of the beef carcass, usually a steer or heifer. In French this cut can also be called filet de buf, which translates in English to beef fillet.

Based on this passage, what part of the cow is the filet mignon from?
Let's think first:
The relevant information to answer the above question is: Filet mignon (/ file minj /; French for "tender fillet" or "delicate / fine fillet") is a steak cut of beef taken from the smaller end of the tenderloin, or psoas major of the beef carcass, usually a steer or heifer.
Therefore, the answer is the smaller end of the tenderloin , or psoas major of the beef carcass.