The memorial-houses of the artist Hakob Kojoyan and the sculptor Ara Sarkissian are in the capital .
The memorial-houses of the artist Hakop Kojoyan and the sculptor Ara Sarkissian are in the capital .
The memorial-houses of the artist Hakop Kojoyan and the sculptor Ara Sarkissian are in the capital .
Simplify this paragraph: The memorial-houses of the artist Hakob Kojoyan and the sculptor Ara Sarkissian are in the capital . Output: