Assertion: leather | /r/HasProperty | difficult
Facets:
value: really
type: DEGREE
value: to replace it
type: PURPOSE
Source sentences:
text: Let the leather sit for at least two days since it can be difficult to tell if the dye has effectively adhered to the material.
text: they were initially developed for use in the wetlands of Florida specifically, where leather is difficult to maintain hence the name "Florida Cow Whip" but have recently[when?] gained in popularity because they are less expensive than leather.
text: Leather is a hardwearing natural material, and it is really difficult to replace it for key items like footwear (especially winter boots) and belts.