YOU SAID:

I went down town to buy some bread for a sandwhich

INTO JAPANESE

私は砂のためにパンを買うために町に行きました。

BACK INTO ENGLISH

I went to town to buy bread for sand.

INTO JAPANESE

私は砂のパンを買うために町に行きました。

BACK INTO ENGLISH

I went to town to buy sand bread.

INTO JAPANESE

砂のパンを買いに町に行きました。

BACK INTO ENGLISH

I went to town to buy sand bread.