this is a batter
hitter who just hit the ball 
freshly mowed grass of the field 
a white fowl line
a black protective net
a green patch of grass
Black back stop netting behind home plate.
this is a man
man is a baseball player
man is swinging a bat
white line on ground
this is an umpire
A person is playing.
these are baseballs
a baseball game where a batter is swinging at a pitch and a catcher has his bat held by the umpire on the field