Supplication when food is served and one continues fasting
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إِذَا دُعِيَ أَحَدُكُمْ فَلْيُجِبْ، فَإِنْ كَانَ صَائِمًا فَلْيُصَلِّ، وَإِنْ كَانَ مُفْطِرًا فَلْيَطْعَمْ.
When one of you is invited, let them accept. If they are fasting, let them pray for the host, and if they are not fasting, let them eat.