Function is_skeptically_accepted_at 

pub fn is_skeptically_accepted_at<A>(
    framework: &WeightedBipolarFramework<A>,
    target: &A,
    budget: Budget,
) -> Result<bool, Error>
where
    A: Clone + Eq + Hash + Debug + Ord,

target is β-skeptically accepted iff it belongs to every bipolar-preferred extension of every β-inconsistent residual. Returns false when any residual has no preferred extensions.