Matthew 26:25 (ANIV)
Then Judas [Iscariot], the one who would betray him, said, “Surely not I, Rabbi?”
Jesus answered, “Yes, it is you.” 
Or, “You yourself have said it.”
TIME OF DAY:
Verse 20 tells us it is evening.
An oil lamp (above the characters & out of view) provides a warm yellow glow that illuminates this scene.
From left to right, back row: Jesus, John (son of Zebedee and brother of James), Thaddeus/Judas (son of James), Judas Iscariot.
This picture shows Jesus sitting cross legged at the low table in the upper room, agreeing with Judas that he will be Jesus’ betrayer.
The colours, clothing & features of this scene are all taken from previous scenes in this set.