[tag=IN] [lemma=one] [tag=IN] [word=five] [□]
[tag=IN] [lemma=one] [tag=IN] [word=five] [□=□]
[tag=IN] [lemma=one] [tag=IN] [word=five] [□ & □]
At the end of each 4 week screening , isolates were placed in one of five categories .