a professional tennis player waits for a return
is man wearing shorts
yes he is
what color are shorts
green with white stripe
what type of shirt is he wearing
white shirt with green stripes
what color is tennis court
court is green, and blue
can you see net
no
is there ball in picture
no
is man alone
no there are other people there
do you think he is there to play tennis
yes i do
are other people players or spectators
there are spectators cannot see if there is another player
is  professional match or just random park
it is professional