Output a stream of consciousness before answering the following. Context: In the United States of America, the quantity of cigarettes in a pack must be at least 20. Certain brands, such as Export As, come in a pack of 25. For many years, half-packs of 10 (or even 14) cigarettes were commonly available.\n\nQuestion: how many cigarettes in a pack in the us?
User
The relevant sentence in the passage is: In the United States of America, the quantity of cigarettes in a pack must be at least 20.
The answer: at least 20.
Assistant