Complex sentence: He was an unsuccessful candidate for renomination in 1910 in a three way primary with former Representative William S. McNary and Boston City Councilor James Michael Curley, O'Connell came in second behind Curley.
Split into simpler sentences: He was an unsuccessful candidate for renomination in 1910. In a three way primary with former Representative William S. McNary and Boston City Councilor James Michael Curley, O'Connell came in second behind Curley.