Assertion: boiler | /r/HasProperty | costly
Facets:
value: to buy expensive
type: PURPOSE
value: very
type: DEGREE
Source sentences:
text: But boilers are not usually covered by standard home insurance and can be very costly to repair or replace.
text: Best Buy as well as Worcester Bosch and Vaillant and is therefore one of our top choices for you the main issue with this boiler is it is expensive to buy and parts are expensive too.