YOU SAID:

i don't know which party should I vote to

INTO JAPANESE

どのパーティーに投票すればいいのかわからない

BACK INTO ENGLISH

I do not know which party to vote for

INTO JAPANESE

どの政党に投票するのかわからない

BACK INTO ENGLISH

I do not know which political party to vote for

INTO JAPANESE

私はどの政党に投票するのか分からない

BACK INTO ENGLISH

I do not know which political party to vote for