He headed to Tokyo that night.

This factory has introduced new machines to increase the speed of paper manufacturing.

The optic tract plays a crucial role in transmitting visual information to the brain.

My dog walks on four feet.

He is good at arithmetic.

Please stand by his side and support him.

Her behavior is always graceful, and she is respected by everyone.

Her behavior was graceful, and everyone respected her.

Astronomy is my favorite subject.

This phenomenon is against the laws of nature.