But their most conspicuous characteristic was that their arms, legs and faces were covered with the burn scarring, which I had never seen before.
(the burn scarring; had never seen; T:before) (their most conspicuous characteristic; was; that their arms, legs and faces were covered with the burn scarring) Context(their most conspicuous characteristic was,List([4, 45))):(their arms, legs and faces; were covered; with the burn scarring)
their most conspicuous characteristic was,List([4, 45))
the burn scarring their most conspicuous characteristic their arms, legs and faces
had never seen was were covered
T:before
that their arms, legs and faces were covered with the burn scarring
with the burn scarring