R2 is seeing hello packets from R1 B. R2 is not seeing hello packets from R1

The exchange of data between R1 and R2 is occurring because each is sending hello packets

Two-way communication has not been established between R1 and R2 because R2 is not seeing its router ID in the hello packets that it is receiving from R1

R2 has an access list defined for S0 that is blocking an OSPF multicast IP address of 224.0.0.5