Abdullah narrated to us, Shaiban ibn Abi Shaybah narrated to us, Jarir ibn Hazim narrated to us, Abu Ishaq narrated to us, from Abu Basir al-Abdi, from Ubayy ibn Ka'b, who said: The Prophet of Allah, peace and blessings be upon him, prayed the morning prayer, then said: "Is so-and-so present?" Then he mentioned the hadith.