Punter 76, yes I would also agree to back all of the selections, but I have come across that one where differing amounts are involved(stakes) that it turns out that whichever won (if any) you still lose,....... well! in a case like that the answer is obvious. But in a scenario like say

If "a " wins you break even... or

If "b" wins you lose a bit..... or

If "c" wins you win heaps,.....

I would still back all 3

eg. only