Need help to resolve a protest

[aepitaz]

I think what it is boiling down to is that the plate umpire prematurely called the Infield Fly rule and then changed his mind.

By continuing with bases loaded, it tells me that he changed his mind on the play. So to continue with bases loaded would be the right play.

The questions are:
Can he change his mind? We have all seen an umpire call a batter out on a dropped third strike, or seen an out call and then have the fielder drop the ball. Does this fall into that category (I know it shouldn't happen, but it does.)

Does the umpire calling "Batter is Out!", make the Infield Fly rule called?

I understand about protests, playoffs, immediate decisions, etc., but this is what this league does.