YOU SAID:
brent is sitting by a cat
INTO JAPANESE
ブレントは猫のそばに座っています
BACK INTO ENGLISH
Brent sits beside a cat
INTO JAPANESE
ブレントは猫の横に座っています
BACK INTO ENGLISH
Brent sits next to a cat
INTO JAPANESE
ブレントは猫の隣に座っています
BACK INTO ENGLISH
Brent sits next to a cat
That didn't even make that much sense in English.