Which distinction is required in the exchange attributed to ʿAlqamah and al-Ḥārith?

Al-Ḥārith al-Aʿwar: Narrator Criticism, Variant Reports and Evidence

• The completion statement is ʿAlqamah’s, whereas “al-waḥy is harder” is al-Ḥārith’s
• “Al-waḥy is harder” is a Prophetic statement
• The duration is al-Ḥārith’s and the objection ʿAlqamah’s
• Both claims are Ibrāhīm’s own words