If you are talking about my first (do not think deeply).Seems to be a bicycle pedal bicycle. my first comes from my dad.An old bicycle to a friend's father bought the House. he comes.
I will talk about my first. (Do not ponder). Probably the bike. My first bicycle was taken from my father. It's old bicycle neighbors. father to buy him.
If you are talking about my first. (you're freaking me out). 's bicycle. My first bicycle came from my father's old friend. bicycle home. Dad bought for him.