Its simple:
A: AAP
B: BJP
C: CONGRESS
D: Delhi 
For A: B&amp;C Bad(B-C mile huye hain)
For B: A&amp;C Bad(A-C mile huye hain)
For C: A&amp;B Bad(A-B mile huye hain)
Conclusion: A-B-C ne D ko phass rkha hai