A man on a skateboard on steps in front glass doors of a brick building.
The man on the skateboard is going to bounce off the glass doors
A man on a skateboard on steps in front glass doors is not necessarily going to bounce off the glass doors.
There is no indication of the direction or force of movement of the man on the skateboard to indicate that he will bounce off the glass.
Front of glass doors does not mean going to bounce off the glass doors.