Assertion: castle's fortification | /r/CapableOf | prove old yugopyramid shelters
Facets:
Source sentences:
text: Older fortification may prove useful such as the old 'Yugo' pyramid shelters built in the 1980s which were used by US personnel on.
text: Older fortification may prove useful such as the old 'Yugo' pyramid shelters built in the 1980s which were used by US personnel on.