Case C-713/21, Finanzamt X (Supplies of the owner of a stable): Judgment of the Court (Seventh Chamber) of 9 February 2023 (request for a preliminary ruling from the Bundesfinanzhof — Germany) — A v Finanzamt X (Reference for a preliminary ruling — Common system of value added tax (VAT) — Directive 2006/112/EC — Article 2(1)(c) — Concept of ‘supplies of services for consideration’ — Single supply consisting in the stabling and training of horses as well as their participation in competitions — Remuneration by assigning half of the claim to prize money corresponding to the prizes won by horses in competitions)