Write the output next to each print statement for each subquestion below $($treat each print statement independent of

each other$).$ If a runtime error occurs for a specific print statement, write ERROR.

class A:

def x$($self$)$:

return $"$A$.$x$"$

class B$($A$)$:

def y$($self$)$:

return $"$B$.$y$"$

class C$($B$)$:

def z$($self$)$:

return $"$C$.$z$"$

class D$($A$)$:

def z$($self$)$:

return $"$D$.$z$"$

b $=$ B$()$

d $=$ D$()$

print$($b$.$x$())\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

print$($b$.$y$())\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

print$($b$.$z$())\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

print$($d$.$x$())\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

print$($d$.$y$())\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

print$($d$.$z$())\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$