I learned about valence in chemistry class.

He predicted the economic growth for next year.

He took off his shoes at the entrance.

He quoted a proverb and explained its meaning.

He looked out over the vast flat plain.

Seigen is my best friend.

He announced his proclamation loudly.

He proclaimed that he is the best chef.

Tengen-sen is a Japanese Go tournament where the highest honor is contested.

I eat brown rice every day.