Assertion: convertible | /r/HasProperty | heavy
Facets:
Source sentences:
text: The Convertible was heavy, not much faster than the Portable it replaced (despite the newer CMOS processor and use of static RAM), had no traditional PC expansion ports (such as serial ports and a parallel port) without an add-on, and had a hard-to-read, oddly-shaped LCD screen (the first screens lacked a backlight).