question: it is said that the harz is the location for the many lost art treasures that were stolen during the second world war, including the lost amber room from russia.
Capitalize this past sentence correctly.
A: It is said that the Harz is the location for the many lost art treasures that were stolen during the Second World War, including the lost amber room from Russia.

question: companies often performing their marketing campaigns with classical instruments of real world.
Capitalize this past sentence correctly.
A: Companies often performing their marketing campaigns with classical instruments of real world.

question: many tourist attractions are found in the vicinity of the hotel : sveti petar u sumi monastery (21,4 km), rovinj night (1,1 km), church of st.
Capitalize this past sentence correctly.
A: Many tourist attractions are found in the vicinity of the hotel : Sveti Petar u Sumi Monastery (21,4 km), Rovinj Night (1,1 km), Church of St.