iMessage automatically replying

My iMessage is doing weird things. It keeps replying to people's messages by itself with no prompt from myself.

The messages circled are the ones the phone sent automatically. It makes no sense as automatic replies isn't activated and even if it was, it wouldn't reply like this! Very weird. It's only been happening since the update. I've searched the web but can't find anything similar.

Can anyone help please?

The messages circled are the ones the phone sent by itself