Litigants cannot appeal just because they dislike the outcome of a case. When can a litigant usually appeal?

Litigants can usually appeal when the matter is really important to the respondent.

Litigants can usually appeal when a judgment is wrong or unjust.

Litigants can usually appeal when a different court is likely to be more sympathetic to their case.

Litigants can usually appeal when the matter is really important to the claimant.