Aweak or indefinite reference occurs when a pronoun functions as the object of a preposition modifies an adjective, adverb, or verb refers to an unknown antecedent may refer to two or more antecedents

Weak reference: when a pronoun refers to an antecedent that has been suggested but not expressed

Indefinite reference: the use of a pronoun that refers to no particular person or thing and which is not necessary to the meaning and structure of a sentence

because most jews were in the concentration camps and dying horrible deaths while anne could be with her family in a warm place with shelter, food, water, and a place to sleep.