1. ์ด๊ฑฐ๊ทผ๋ฐ ์Šคํ‹ฐ์ปค๊ฐ™์€๊ฑฐ ๋จธ์ž„?


2. ๋™๊ธ€์ด ๋„ฃ๋Š”๊ตฌ๋ฉ๋ฐ–์—์—†๋˜๋ฐ c to a or c ์ผ€์ด๋ธ” ๋”ฐ๋กœ์‚ฌ์•ผ๋จ


3. ๋™๋ด‰์ผ€์ด๋ธ”์€ ๋™๊ธ€์ด ๋ผ๋Š”๊ฑฐ์ž„ ์•„๋‹ˆ๋ฉด ์ถฉ์ „์šฉ์ž„?