a man in a green t-shirt is skateboarding along a graffiti covered wall in front of a blue door .
Skater was painting the graffiti
a man in a green t-shirt is skateboarding along a graffiti covered wall in front of a blue door.
Skater was painting the graffiti
The skater was either skateboarding or painting but cannot be doing both simultaneously.
The skater was either skateboarding or painting but can not be doing both simultaneously .