Gosh, this thread is two years old now. Just resurrecting it to see if anyone else has the multiple options for common ancestors. I still haven't got it back and it came to mind over the weekend when three matches came through with common ancestors then disappeared again 24 hours later - someone probably tinkering with their tree. It would be so useful to have multiple options, especially where the majority of trees have taken a wrong turn (e.g. with someone who apparently moved to North America in the 1850s when they're still in UK censuses after that).
