He determined that the bird was male from its distinctive feather color.

He has lived without going against the fate that was decided by his birth.

She is prone to worrying, so she is always thinking about something.

He decided to undergo sex change surgery.

He decided to undergo sex change surgery.

His sociability is an important factor for his success as a leader.

He is suffering from acquired immunodeficiency syndrome.

He is an intersex person, possessing both male and female gender characteristics.

Could you show me your passport to confirm your identity?

She enjoys her sex life using a sex toy.