1. step-sisters
this is because if your mom marries a different man and he has a daughter you are not related to, it makes you step-sisters
2. Sisters-in-law
you are not directly related, just through marriage
3. neighbors
a neighbor is someone you live by
4. Classmates
5. Step-family
this is because you are now a part of a new family but you used to have a different one
6. Grandparents
7. Colleagues
8. widow
a widow is when your husband dies
it only refers to women
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