Assertion: ball bearing's ball | /r/HasProperty | difficult to make
Facets:
value: a little
type: DEGREE
Source sentences:
text: The balls are a little more difficult to make, even though their shape is very simple.
text: The balls are a little more difficult to make, even though their shape is very simple.
text: The balls are a little more difficult to make, even though their shape is very simple.