Assertion: octagon | /r/CapableOf | shape wood/ material
Facets:
Source sentences:
text: Generally, there are three types of ba gua mirrors: 1) Octagon shaped wood/ material with a small round mirror in the middle; bright colours of green (symbolising spring, vigour, creativity), red (symbolising summer, illumination, growth) and goldish yellow (symbolising productiveness, success, late summer, autumn) stretch from the outer end of the mirror to the outer end of the octagon wood/ material.