Complete the text with who, which, when, where and whose When you walk into a cinema , you can smell it right away. Popcorn is the snack 1 fills cinemas with that buttery smell all over the world. But it wasn’t the cinema 2 it all started. It was 1885 3 the first mobile popping machine was invented and it was Charles Cretors 4 created it. It was at fairs and carnivals 5 people first started buying popcorn, and it wasn’t until the 1910s 6 the grand movie theatres became popular that popcorn made its way into the cinema.