Number of voters	24	27	26	27	25	27
A	X		X			X
B		X		X	X
C			X		X	X
D	X	X			X

The table above summarizes the results of an approval vote between four options: A, B, C, and D. Each column shows the number of people with a certain approval vote. Approvals are marked with an X. Find the winner under approval voting.

Winner =