This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to make raspberry puree
Combine the ingredients in a saucepan.
Place the raspberries, sugar and lemon juice in a large saucepan. You may use fresh raspberries if they're in season, or frozen raspberries, which are available year round and are picked and frozen at the peak of freshness.

Choose from:
[I] If you want fresh raspberries instead of canned raspberries, check the label and make sure you get canned berries. Canned raspberries tend to go bad faster than fresh raspberries, so make sure you're using fresh raspberries..
[II] For best results, use juiced or dried berries. Choose the best of both worlds, as those ripe best work well for ladling raspberry puree..
[III] If you prefer to store raspberries raw, however, that's fine. In fact, frozen raspberries may taste better raw than fresh ones..
[IV] Stick with the minimum amount of sugar and lemon juice that the recipe recommends for now. More can be added to taste later if the puree turns out too tart or sweet..
The answer is:
[IV]