Select the correct iḍāfah formed by joining the muḍāf إِخْوَةٌ and the diptote muḍāf ilayh يُوسُفُ:

Practical Exercises with the Iḍāfah

• إِخْوَةُ يُوسُفَ
• إِخْوَةٌ يُوسُفَ
• إِخْوَةُ يُوسُفِ