4 people on horses race inside an enclosed area
are the people racers
yes, jockeys
are they wearing uniforms
yes
do they have helmets
they do
is it outside
yes
can you see the fence
yes, it's white
is it wooden
yes
are the horses moving
yes, they are racing
can you see grass
yes
is the track muddy
no, it's grassy
is there a crowd around
yes