Select the correct nature of the given substances:
 
Niran is provided with three unknown solutions labelled A, B, and C, but he did not know which of these are acidic, basic, or neutral.

Upon adding a few drops of red litmus solution to solution A, it remains unchanged, even for blue litmus remains unchanged. When a few drops of chine rose solution are added to solution B, it turns deep pink. Finally, after adding a few drops of red rose extract to solution C, it turns green.
 
Based on the observations, select the nature of solutions A, B, and C?
 
i. A -
ii. B -
iii. C -