With no explanation, label each line with "O", "person-other", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
He
became
head
coach
at
Moscow
High
School
in
the
spring
when
Babe
Brown
crossed
town
to
coach
the
Vandal
freshmen
.
He:O
became:O
head:O
coach:O
at:O
Moscow:organization-education
High:organization-education
School:organization-education
in:O
the:O
spring:O
when:O
Babe:person-other
Brown:person-other
crossed:O
town:O
to:O
coach:O
the:O
Vandal:organization-education
freshmen:O
.:O