Case C-570/21, YYY (concept of ‘consumer’): Judgment of the Court (Fifth Chamber) of 8 June 2023 (request for a preliminary ruling from the Sąd Rejonowy dla Warszawy-Woli w Warszawie — Poland) — I.S., K.S. v YYY. S.A. (Request for a preliminary ruling — Consumer protection — Directive 93/13/EEC — Unfair terms in consumer contracts — Dual-purpose contract — Article 2(b) — Concept of ‘consumer’ — Criteria)