Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to prepare saffron [title] Measure the saffron threads. [step] Your recipe will usually tell you how much saffron to use, but there are some general rules that are good to know. Saffron is usually measured in grams, the number of threads, or " pinches.

Ending1: " [substeps] If you are using saffron, measure the threads in grams or for grams; for grams you will use 3 grams per serving, for grams you will use 15, and for grams you will use 20. You can measure additional threads depending on your recipe, but 50 is a good start. Ending2: " a " pinch " typically means 20 medium-sized threads of saffron. Use a food scale or count the threads to measure out the saffron. Ending3: " [substeps] For example, if your recipe calls for 30 saffron threads in a batch, multiply every one by 45 and shift evenly into your serving size. You may want to measure the threads 3 to 4 times in a row so that your lingering saffron from the previous batch can anchor them. Ending4: " measure the threads on either end of the " pinches " of saffron. [title] Cut a 5-inch (13-cm) long piece of tulle from yellow cotton.

Answer format: ending1/ending2/ending3/ending4