don't add any background that is not in input image.
remove background
remove background really
put white background
Remove everything apart from the background.
add transparent background
replace background with white background
expand background if needed.
remove the main character of the image and leave the one in the background.
remove background put solid white
make the uploaded photo is a complete photo by adjusting it with didnt change anything entire photo
copletely remove the subject in the background
replace with white background