Sadaharu: Don't really understand the "Black doesn't need to answer." comment since in the actual answer black also doesn't need to answer.
posetcay: I was trying to make it clear that the move wasn't sente against the main group and only captured the 4 stones in gote, but I guess it was a bit confusing so I just removed it.
Don't really understand the "Black doesn't need to answer." comment since in the actual answer black also doesn't need to answer.