Question: Who is thought to be a ghost? If there is no answer, please output "Insufficient information to provide an answer.". Movie title: Volver Context: This section's plot summary may be too long or excessively detailed. Please help improve it by removing unnecessary details and making it more concise. (October 2015) (Learn how and when to remove this template message) Raimunda (Penelope Cruz) and Soledad (Lola Duenas) are sisters who grew up in Alcanfor de las Infantas, a small village in La Mancha, but now both live in Madrid. Their parents died in a tragic fire three years prior to the beginning of the film. Sole returns to the village for the funeral of her elderly and dementia-stricken Aunt Paula (Chus Lampreave). Aunt Paula's neighbour Agustina (Blanca Portillo) confesses to Sole that she has heard Paula talking to the ghost of Sole's mother Irene (Carmen Maura). Sole encounters the ghost herself, and when she returns to Madrid, she discovers that the ghost has stowed away in the trunk of her car. Irene has brought luggage, intending to stay with her daughter for a while, and Sole, though frightened, agrees to let her mother stay with her: Sole operates a hair salon in her apartment, and Irene will assist her, posing as a Russian woman to hide her true identity. Sole tries to determine why her mother's ghost has returned to Earth, asking her if she left anything undone in her life. Irene says that she does have issues to resolve, relating to the questions of why Raimunda hates her and why she is afraid to reveal herself to Raimunda. Meanwhile Raimunda and her daughter Paula (Yohana Cobo) have a different death to cope with. Paula's father Paco (Antonio de la Torre) attempts to rape her, claiming that he is not really her father, and Paula stabs him in self-defense. Raimunda quickly hides the corpse in the deep-freezer of a nearby restaurant with an absent owner. The restaurant owner, Emilio (Carlos Blanco), is out of town and entrusted Raimunda with the keys so that she can show it to prospective tenants. When members of a film crew happen upon the restaurant, Raimunda strikes a deal to cater for them, and suddenly finds herself back in the...
Sole's mother, Irene