Question

Which version of the sentence is most concise?

The animal was returned to the shelter due to the fact that it had become aggressive.
The reason the animal was returned to the shelter is because it became aggressive.
The animal was returned to the shelter because it had become aggressive.
First and foremost, the animal had become aggressive and that is why it was returned.

Answer 1

The reason the animal was returned to the shelter is because it became aggressive.

Step-by-step explanation:

This does not include any extra, unnecessary phrases.

Answer 2

the fourth one is correct