Information:  - Jean - Daniel Gross ( born 26 April 1966 ) is a retired Swiss football player who is currently the manager of FC Luzern II. In his playing career , which ended in 2003 , he played for clubs including Young Boys and Zug 94 .  - Zug (  Neo-Latin Tugium), is a municipality and a town in Switzerland. The name "Zug" originates from fishing vocabulary; in the Middle Ages it referred to the right to "pull up" fishing nets and hence to the right to fish.  - Ottmar Hitzfeld (born 12 January 1949 in Lörrach, Baden) is a German former football player (striker) and retired manager, nicknamed "der General" (the general), and Gottmar Hitzfeld (a pun on "Gott", which is the German word for god). He has accumulated a total of 18 major titles, mostly in his tenures with Grasshopper Club Zürich, Borussia Dortmund and Bayern Munich. A trained mathematician and sports teacher, Hitzfeld is one of the most successful coaches of German and international football. He has been elected World Coach of the Year twice; he is one of only five managers to win the European Cup/UEFA Champions League with two different clubs, along with Ernst Happel, José Mourinho, Jupp Heynckes and Carlo Ancelotti.  - Zug 94 is a Swiss football team based in Zug which currently competes in the 1. Liga. It was formed in 1994 after a merger between SC Zug and FC Zug. Ottmar Hitzfeld once managed the old SC Zug team.    After reading the paragraphs above, we are interested in knowing the entity with which 'jean-daniel gross' exhibits the relationship of 'place of birth'. Find the answer from the choices below.  Choices: - baden  - dortmund  - german  - lörrach  - most  - of  - switzerland  - zug  - zürich
switzerland