Task: Pos Tagging
Input (English): What is the part-of-speech tag of the word "of" in the following question: Which stipulation has a tag team where some of them occur relatively frequently while others are developed so as to advance at an angle and such match types are used rarely and includes a player who held numerous titles in his CZW stint and was the real life brother of CZW wrestler and one-time tag team partner Nick Gage ?
Output (English): IN