SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Ronald_Wilson> <http://dbpedia.org/property/branch> ?x . ?x <http://dbpedia.org/property/mascot> ?uri . }
What is the mascot of the military unit in which Ronald Wilson served?
SELECT DISTINCT ?e WHERE { ?y property:mascot ?e . . resource:Ronald_Wilson property:branch ?y }
Kangaroo
[Kangaroo] is the mascot of the military unit which is the branch of Ronald Wilson.
[Kanga] is the mascot of a military unit that is an affiliate of Ronald Wilson.
The mascot of the military unit which is the branch of him  is [Kangaroo].
The mascot of the military unit that is its affiliate is [Kangaroo].