Assertion: greater swiss mountain dog | /r/HasProperty | a descendant of dogs
Facets:
Source sentences:
text: The most common thought is that the Greater Swiss Mountain Dog is a descendant of dogs that are similar to the Mastiff that arrived in the Alps by Roman Legions, as helpmates.
text: The Greater Swiss Mountain Dog is thought to be a descendant of dogs left in Switzerland by the Romans over 2000 years ago