YOU SAID:

there are three cows sitting in the parking lot

INTO JAPANESE

駐車場に座っている3頭の牛がいる

BACK INTO ENGLISH

There are 3 cows sitting in the parking lot

INTO JAPANESE

駐車場には3頭の牛がいます

BACK INTO ENGLISH

There are 3 cows in the parking lot

INTO JAPANESE

駐車場には3頭の牛がいます

BACK INTO ENGLISH

There are 3 cows in the parking lot