
*** Yes
> > 
*** Yes
> 
*** No
> 
% 'a' is undefined.

% 'b' is undefined.

% 'c' is undefined.

d -> 4.

% 'e' is undefined.

% 'f' is undefined.

% 'g' is undefined.

% 'h' is undefined.

% 'i' is undefined.

% 'j' is undefined.

*** Yes
> 
