Router HW1 and Router HW2 Are Connected to Network a and Network

Router HW1 and Router HW2 are connected to Network A and Network B respectively. Referring to the figure, if you want to set up an IPsec VPN tunnel between HW1 and HW2, which of the following ACL rules needs to be configured on HW1 to transmit the traffic across networks A and B pass through the encrypted VPN tunnel?

A) rule permit ip source 10.1.2.0.0.0.0.255 destination 10.1.1.0.0.0.0.255
B) rule permit ip source 10.1.1.0.0.0.0.255 destination 10.1.2.0.0.0.0.255
C) rule permit ip source 10.1.1.0.0.0.0.255 destination 192.168.1.2.0
D) rule permit ip source 192.168.1.1.0 destination 10.1.2.0.0.0.0.255
E) rule permit ip source 192.168.1.1.0 destination 192.168.1.2.0