Assertion: catapult | /r/HasProperty | crewed by only a few men
Facets:
Source sentences:
text: Onagers and mangonels were relatively easy to build even on the march and could be crewed by only a few men, only one of which had to be trained to operate the machine.
text: Onagers and mangonels were relatively easy to build even on the march and could be crewed by only a few men, only one of which had to be trained to operate the machine.