Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to crumble tofu [title] Purchase extra-firm tofu. [step] You should be able to find tofu at any local grocery store, supermarket, or health-food store. Tofu is packaged according to the degree of hardness, ranging from extra soft to extra firm.

Ending1: For instance, mature tofu costs around $250. [substeps] Because tofu isn't stored at the same temperature each time you cook it, it should be the last thing you put in your fridge. Ending2: Remember that tofu will be much harder to crumble. If you're working with a lot of tofu, it's better to use a whole lot. Ending3: Find the right tofu to your needs. [substeps] Texture hardness index agencies keep a detailed list of tofu on the supermarket display and on their food tracking. Ending4: Silken or soft tofus will not crumble well, so purchase a very firm tofu. [substeps] Tofu needs to be refrigerated, so check the store's refrigerated aisles, especially in the " organic " or " vegan " sections.

Answer format: ending1/ending2/ending3/ending4