Detailed Instructions: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Problem:The 2016 California Democratic primary was held on June 7 in the U.S. state of California .
Solution:
The 2016 California Democratic presidential primary was held on June 7 in the U.S. state of California as one of the Democratic Party 's primaries ahead of the 2016 presidential election .