With no explanation, label each line with "O", "organization-other", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
During
the
1920s
her
growing
expertise
in
conchology
was
nurtured
by
Welch
and
other
prominent
members
of
the
Field
Club
such
as
Robert
Lloyd
Praeger
,
the
geologist
J.
K.
Charlesworth
,
and
especially
Arthur
Stelfox
,
who
was
a
major
influence
on
her
.
During:O
the:O
1920s:O
her:O
growing:O
expertise:O
in:O
conchology:O
was:O
nurtured:O
by:O
Welch:person-other
and:O
other:O
prominent:O
members:O
of:O
the:O
Field:organization-other
Club:organization-other
such:O
as:O
Robert:person-other
Lloyd:person-other
Praeger:person-other
,:O
the:O
geologist:O
J.:person-other
K.:person-other
Charlesworth:person-other
,:O
and:O
especially:O
Arthur:person-other
Stelfox:person-other
,:O
who:O
was:O
a:O
major:O
influence:O
on:O
her:O
.:O