With no explanation, label each line with "location-GPE", "building-other", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
He
married
his
first
wife
,
Patricia
Richards
(
1914–2017
)
at
St
Margaret
's
,
Westminster
on
12
January
1932
.
He:O
married:O
his:O
first:O
wife:O
,:O
Patricia:person-other
Richards:person-other
(:O
1914–2017:O
):O
at:O
St:building-other
Margaret:building-other
's:O
,:O
Westminster:location-GPE
on:O
12:O
January:O
1932:O
.:O