This is just a example..
Yesterday, Sehun was cycling his bicycle. Out of the blue ( suddenly, he do the emergency brake with his two brakes...
He saw a bird on the middle of the road. So, he stepped down from his bicycle and tryied to help the injured bird. Sehun made up his mind ( berfikir) and took the bird to his home and gave a treatment for the bird
P/S : Hope this will help you