- $\text{A@B}$ means $\text{‘A is the mother of B’}$
- $\text{A#B}$ means $\text{‘A is the sister of B’}$
- $\text{A?B}$ means $\text{‘A is the daughter of B’}$
Which of the following expressions means $\text{‘}x$ is the daughter of $y\text{’}?$
- $y@z?x\#w$
- $y@z\#x?w$
- $w@z?x\#y$
- $w@x?z\#y$