In which of the positions marked [1], [2], [3] and [4] does the following sentence belong? "Despite the limited number of products on the menu, customers can't get enough of the tasty but healthy shakes that are on offer."

Câu hỏi: In which of the positions marked [1], [2], [3] and [4] does the following sentence belong? "Despite the limited number of products on the menu, customers can't get enough of the tasty but healthy shakes that are on offer."