If the inputs of a 74139 dual four-line demultiplexer are as shown below, which output is correct?
bar (E)_(a)=databar (E)_(b)=data
AO_(a)=1AO_(b)=0
A1_(a)=0A1_(b)=0
O_(a)=data
1_(b)=data
2_(a)=data
2_(b)=data
1_(a)=data
1_(b)=data
1_(a)=data
O_(b)=data