YOU SAID:
It was nice seeing you laugh with your daughter and your dog.
INTO JAPANESE
娘と犬と一緒に笑うのを見るのは嬉しかったです。
BACK INTO ENGLISH
I was happy to see laughing with my daughter and dog.
INTO JAPANESE
娘と犬と一緒に笑っているのを見てうれしかった。
BACK INTO ENGLISH
I was happy to see her laughing with her daughter and dog.
INTO JAPANESE
彼女が娘と犬と一緒に笑っているのを見てうれしかったです。
BACK INTO ENGLISH
It was nice to see her laughing with her daughter and dog.
INTO JAPANESE
彼女が娘と犬と一緒に笑っているのを見るのは嬉しかったです。
BACK INTO ENGLISH
It was nice to see her laughing with her daughter and dog.
That didn't even make that much sense in English.