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Whatcoloursdoyousee?

No!

Whatcanredsay?

Redcansay“No!”

Nofire!

Noparking!

Noclimbing!

Nophotos!

Noentry!

Nosmoking!

Whatcangreensay?

Go!

Whatcanyellowsay?

Becareful!

Whatcanbluesay?

Useagain!

red

Red

No

green

Green

Go

blue

Blue

Useagain

yellow

Yellow

Becareful

想想看