YOU SAID:

The dog is sick, so we're just going to have to eat the little guy.

INTO JAPANESE

犬は病気だから、小さな男を食べなければならない。

BACK INTO ENGLISH

Since a dog is sick, he must eat a small man.

INTO JAPANESE

犬は病気であるので、小さな男を食べなければなりません。

BACK INTO ENGLISH

Since a dog is sick, he must eat a small man.