My friend lives in Indiana.

His room is always gloomy, and it somehow makes me sad.

We need to minimize the system's downtime.

The color of her dress was indigo.

In Japan, 4 and 9 are considered unlucky numbers.

The chime rang, and the class began.

He wrote a message using mirror writing.

This boundless universe is beyond our imagination.

My friend came from Indonesia.

From his explanation, I was able to have an image of a beautiful landscape.