Why not accept this photo?
Please, give specific reasons for rejecting this photo
Adobe already gave you a reason. What was it? Please post the full size original, this is vital for most faults.
The picture is out of focus, exhibits artefacts like this:
That's for technical issues.
You will need model releases from the people recognizable in the picture, you will need a property release from the location, and you will need to edit out any logo on the picture.
I suggest you move on, this picture will do nice on your FacebookIf you are new to stock, you should consider these resources: https://helpx.adobe.com/stock/contributor/tutorials.html
Please read the contributor user manual for more information on Adobe stock contributions: https://helpx.adobe.com/stock/contributor/user-guide.html
See here for rejection reasons: https://helpx.adobe.com/stock/contributor/help/reasons-for-content-rejection.html
and especially quality and technical issues: https://helpx.adobe.com/stock/contributor/help/quality-and-technical-issues.html page, but is not fit for stock.