Given a paragraph about cooking, and a set of conversational question answers about the paragraph, answer a follow-up question from the paragraph. The paragraph has a prefix 'CONTEXT:'. Each conversation question has a prefix 'Q:' followed by answer prefix 'A:'. The final followup question has a prefix 'FOLLOWUP_Q:'.

CONTEXT: This is something that can happen during the manufacture of porcelain. It is due to iron particles in the clay used to make the porcelain, they get this look after being fired. It is part of the mug itself and cannot be removed. Customers don't like isolated black dots on white porcelain, so high end manufacturers only sell items without these dots. But if you bought something in the mid- or low-price range, or B-ware from the high end brands, these specks are common enough. It is only an optical defect, the mug itself is clean and you don't have to do anything more about it.  <sep>  Q: Black spots in porcelain coffee mug? A: This is something that can happen during the manufacture of porcelain  Q: Why does this happen? A: It is due to iron particles in the clay used to make the porcelain, they get this look after being fired. It is part of the mug itself and cannot be removed  Q: When does it happen? A: they get this look after being fired  <sep> FOLLOWUP_Q: How do you get rid of them??
It is part of the mug itself and cannot be removed

CONTEXT: Yes, nuts are very fatty, and they will eventually go rancidâ if this is the case, they will taste very poor. They can also dry out, or in more rare cases (especially if stored improperly) be infested with insects or molds.Generally, they should be good for six months to a year at their best flavor, depending on the variety (in the shell).Five years is a little long. I am not sure I would want to eat nuts that old.  <sep>  Q: Do nuts ever go bad? A: nuts are very fatty, and they will eventually go rancid  <sep> FOLLOWUP_Q: How long are they good for?
Generally, they should be good for six months to a year at their best flavor, depending on the variety (in the shell

CONTEXT: No, the fat will not render at about 50 C (122 F).However, you said core temperature, which implies the surface temperature will be higher assuming you are not cooking in a 50 C oven (which you should not, for safety reasons). If you are pre-cooking the steak at, for example 120 C (250 F), the surface will be hotter by the time the center reaches your target temperature, so you may get some rendering.Still, there is a quite simple answer: trim the excess fat. What remains should char and develop a good flavor when you sear it on the grill.  <sep>  Q: will the fats render when the steak is being slow cooked at low temperatures? A: the fat will not render at about 50 C (122 F  Q: When will fat render ? A: at, for example 120 C (250 F), the surface will be hotter by the time the center reaches your target temperature, so you may get some rendering  <sep> FOLLOWUP_Q: is there any other way to render the fat without going to such high temperature ?

trim the excess fat. What remains should char and develop a good flavor when you sear it on the grill