Complex sentence: In the third film she's the eldest sister and has light orange tail and has the motherly role of the family and blames herself for her mother's death and is responsible and loves her sisters and cares for them as their mother.
Split into simpler sentences: In the third film she's the eldest sister and has light orange tail and has the motherly role of the family and blames herself for her mother's death. She is responsible and loves her sisters and cares for them as their mother.