Input: Relationship: 'say to', Argument/Subject 1: 'abraham', Argument/Subject 2: 'isaac'

Answer: And it came to pass at the time of the offering of the evening sacrifice , that Elijah the prophet came near , and said , LORD God of Abraham , Isaac , and of Israel , let it be known this day that Thou art God in Israel , and that I am Thy servant , and that I have done all these things at Thy Word .