With no explanation, label each line with "location-GPE", "O", "person-athlete", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
In
2007
,
Sanchai
and
his
twin
brother
Sonchat
Ratiwatana
won
their
first
ATP
doubles
title
in
Bangkok
.
In:O
2007:O
,:O
Sanchai:person-athlete
and:O
his:O
twin:O
brother:O
Sonchat:person-athlete
Ratiwatana:person-athlete
won:O
their:O
first:O
ATP:event-sportsevent
doubles:O
title:O
in:O
Bangkok:location-GPE
.:O