Akram is the son of Shahid. Shahid's sister, Julie has a son Zeeshan and a daughter Yana. Zeba is the sister of Zeeshan's mother. How is Yana related to Zeba?
If "P" denotes "multiplied by", "R" denotes "subtracted from", "S" denotes "added to" and "Q" denotes "divided by", then which of the following equation is true?