Major premise: Taking steroids is cheating (MLB rules) Minor Premise: Barry Bonds admits to taking steroids.  Conclusion: Barry Bonds is a cheater.
Major premise: Saying something that isn't true is lying. Minor Premise: Barry Bonds untruthfully said that he had not taken steroids.  Conclusion:Barry Bonds is a liar.
Major premise: People are indicted by federal grand juries for committing crimes.  Minor premise: Barry Bonds was indicted by a federal grand jury.  Conclusion: Barry Bonds is a criminal.