last year copenhagen film fund invested 100.700 euro in…

How would the previous sentence be correctly capitalized?
Answer: Last year Copenhagen Film Fund invested 100.700 euro in…
children learn to appreciate the biodiversity of a coral reef and how to make sure that the coral they buy has been harvested legally.

How would the previous sentence be correctly capitalized?
Answer: Children learn to appreciate the biodiversity of a coral reef and how to make sure that the coral they buy has been harvested legally.
3. french citizens were divided into three stalls: nobility, clergy and the third estate.

How would the previous sentence be correctly capitalized?
Answer: 3. French citizens were divided into three stalls: Nobility, clergy and the Third Estate.
however, it was a costly path that may do not want to take.

How would the previous sentence be correctly capitalized?
Answer: However, it was a costly path that may do not want to take.