5 sentences on winter season are :
1. it is a season in which there would be snowfall in some regions on the world.
2. all the people like this season and mostly children like it.
3. the climate would be cold and people would mostly would wear fat and thick kinds of clothes.
4. in this climate people wear all sweaters and gloves made of wool.
5. in winter their would be winter Olympics and we can do ice skating.

hope so my answer is useful............^_^  !!!