If the discount is not offered, the mailer would clearly not do the work or receive the improved service.
The mailer will not do the work if the discount isn't offered.
The mailer will always do the work.
A man is playing the guitar and wearing all black
A woman paints a sign on the brick wall.
Three students studying inside.
Industries are constantly changing in response to peoples needs.
a human practices ballet
Nobody has a bike.