<entry> <ent_seq>2851055</ent_seq> <k_ele> <keb>50年代</keb> </k_ele> <r_ele> <reb>ごじゅうねんだい</reb> </r_ele> <trans> <trans_det>the '50s</trans_det> <trans_det>the fifties</trans_det> </trans> </entry>