My father is a doctor.

She bought a new bra.

My stepfather is a very kind person.

He is the type of person who thinks it's a moonlit night if it's bright, so he only has a one-sided perspective.

He thought deeply and said, 'I think, therefore I am.'

He understands the meaning of the proverb 'Teaching is half learning', which means that teaching leads to one's own learning.

My grandmother's forty-ninth day is next week.

In the old days, people used to consider milk as an important source of nutrition.

The Earth is our home.

Tom was proud of his knowledge and wisdom.