Answer: Today, I got a brand new red bike for my birthday, and I really like it!
before: Today is my birthday. I got a new bike. My bike is red. I like to ride my bike.
after: Today, I got a brand new red bike for my birthday, and I really like it!
You just add the sentences together with commas, and it makes it much easier and fun to read.
Hope this helps you out! :)