کدام گفت‌و‌گوی دونفره درست نیست؟
1 A: Nice to meet you, Elham. B: Nice to meet you, too.
2 A: Who is that girl? B: She's my sister Parisa.
3 A: When's your birthday? B: In Farvardin.
4 A: How old are you now? B: He's twelve.