YOU SAID:

i saw a person on the street and they waved

INTO JAPANESE

私は路上で人を見て、彼らは手を振った

BACK INTO ENGLISH

I watched people on the street and they waved their hands

INTO JAPANESE

私は路上で人々を見て、彼らは彼らの手を振った

BACK INTO ENGLISH

I saw people on the street and they waved their hands

INTO JAPANESE

路上で人々を見て、彼らは手を振った

BACK INTO ENGLISH

Watching people on the street, they waved their hands

INTO JAPANESE

路上で人々を見て、彼らは手を振った

BACK INTO ENGLISH

Watching people on the street, they waved their hands