dog : Go ahead?Are we going ahead!?Hey,look!Signals!Are we? owner : Yes,we are. dog : Realy!?Is it allright?Isn't it red? owner : Yes.It is blue,so,we are allright. dog : I see,I'm a dog,Also I can't recognize the color. owner : Yeah,I know. dog : That's right,we can go!Because you say blue! owner : Yes,we can. dog : Nice,shall we go!Go this way. owner : Yes,let's go. dog : Ah! We can go,because signal is blue(it means go)!Dear master? owner : Yes,you should look forward. dog : Ahh,we,master and I ,going across the road! Might be careful...!