Question: the conditions of the camp are horrible: no sanitary facilities, lack of drinking water and no provision of garbage collection.
Answer: --> The conditions of the camp are horrible: no sanitary facilities, lack of drinking water and no provision of garbage collection.

Question: the exhibition and videos give an interesting insight in society.
Answer: --> The exhibition and videos give an interesting insight in society.

Question: freya, my daughter, went to a birthday party last sunday, two girls from her class held their birthday together.
Answer:
--> Freya, my daughter, went to a Birthday party last Sunday, two girls from her class held their Birthday together.