Automaton

"Chomsky Normal Form"

Chomsky Normal Form is one of a normal form for Context Free Grammar.

If you want to change a context free grammar to this normal form,

you should rewrite the rewriting rules to A -> BC , A -> a , S -> ε.

Chocolat Brewery

Bad Taste :(

Vacation house

My father bought a pretty small lodge for vacation .

which locates middle of mountain.and has a great view.

I'm going to go there tomorrow with my family.

Skype

Recently I started skype.

but I have no microphone. (- -;

so need pretty nice microphone or headset.