friends maths question

In Math we did a question and i had to find it out and we got hints
"Have you ever become friends with someone and released that they were also friends?
Can you work out who is friends with who?" that was the question and these were the hints

1. Bella and Ciara are friends
2. Emily and Ciara are not friends
3. Bella is Fiona’s only friend
4. Anna has more friends than everyone
5. Daphne has three friends
6. Gill and Daphne are not friends
7. Emily has two friends