Which sentence contains a subject-verb agreement error?

Each of the following lines contains a poetic form. find this form and type it into the answer box. be sure to type it exactly as it is written in the line. 1. vi superum, saevae memorem iunonis ob iram 2. o virgo, nova mi facies inopinave surgit 3. nec latuere doli fratem iunonis et irae 4. olli subridens hominum sator atque deorum 5. partibus ex eisdem, et summa dominarier arce