Task: Question Understanding
Input (English): Context : Born in Zürich to Bertha Gizella, née Oechslin, and Huldreich, Sigmund Widmer was citizen of the city of Winterthur, raised in Zürich, and as a child he also spent some time in the family of Ruth Guggenheim Heussler. 
Question : What military branch was Sigmund Widmer associated with?
Output (English): military branch