Multi-choice problem: Continue writing the next sentence in this paragraph:

How to melt cheese
Choose harder cheeses.
Harder cheeses have a lower melting point. These cheeses are the types that are more frequently used in sauces, in dishes like grilled cheese, and as the base for soups.

Pick from:
(1). Sweeter cheeses that are most often used for sauce, such as brie, can also take longer to melt. Add the cheese to a small frying pan.;
(2). Hard cheeses are generally a little more porous, and often have a slightly higher melting point, making them easier to melt. Hard cheeses are more difficult to melt because they are not porous.;
(3). Cheddar, gruyere, and swiss cheese are great cheeses for melting. Reduced fat cheeses can melt, but they may take longer to melt and be tougher during stirring.;
(4). For instance, you may want to choose ground beef, a beef sausage, or a ham cooked steak. A hard cheese is a higher-sugar, higher-calorie cheese that makes it more difficult to melt in sauces or soups.;
(3).