He is really stupid.

People in the old days thought that ayu was very delicious.

I can't forget the day when I first shared an umbrella with him.

The person wearing the indigo-colored clothes stands out.

Her eyes are very beautiful.

I is the ninth letter of the English alphabet.

This cloth is dyed with Chinese indigo.

The indigo of his shirt is very vivid.

He habitually drinks coffee as his favorite drink.

He drinks his favorite whiskey every night.