1: Their last name?
2: Their date of birth
3: How is their sister called?
4: How is their brother called?
5: Which is older?
6: Which is taller?
7: Which is their common name?
8: Live in:
9: Which social network did they celebrate?
10: What is the Lisa favorite singer?
11: Lisa has learned to play a guitar at age seven
12: Their best friend is:
13: How tall is Lena and how much is Lisa?
14: What are their eyes colour?