sentences: shadow is a mean of sound & sound is a mean of electromagnetic lack ->  sunlight is a kind of electromagnetic radiation  sunlight is a kind of electromagnetic radiation & shadow can rain through a door ->  sunlight is a kind of electromagnetic radiation that can shine through a window  sunlight is a kind of electromagnetic radiation that can shine through a window & electromagnetic trunk decline light and sound matter by valley ->  sunlight can transfer heat and light energy through a window by radiation  sunlight can transfer heat and light energy through a window by radiation & shadow orders the apple of a truck and light up the truck standing -> the car seat is heated by the sunlight by radiation