Answer: Supervisor
Explanation: I'm not 100% sure this is correct but to my understanding of Maria, she seems to be described as a supervisor.
1. Veronica es mas bonita que Lupe
2. El abrigo es mas feo que los pantalones.
3. Las galletas son más dulces que el bizcocho/el pastel.
4. Mi casa es mas grande que la casa de Gloria.
5. Vicente come mas rápido que Pedro
I think the answer is sois
