For the combinational logic circuit shown in Fig. the required inputs A, B, C and D to make the output Y = 1 are, respectively.
1
A = 0, B = 1, C = 0 and D = 1
2
A = 1, B = 0, C = 1 and D = 1
3
A = 1, B = 0, C = 0 and D = 1
4
A = 1, B = 1, C = 0 and D = 0