Use (no) or (don't)?
running
No running!
take your bag on the ride.
Don't take your bag on the ride!
eat
Don't eat!
let go off the bar.
Don't let go off the bar!
lean out of the car.
Don't lean out of the car!
food
No food!
drinks
No drinks!
screaming
No screaming!
pets
No pets!
stand up
Don't stand up!
littering
No littering!
Take off your seat belt.
Don't take off your seat belt!
cut in lines.
Don't cut in lines!
toys
No toys!
splashing water
No splashing water!
throwing anything.
No throwing anything!
selfie sticks
No selfie sticks!
push
Don't push.
take photos.
Don't take photos!
skateboards.
No skateboards!