They see William getting into a taxi.
Answer:
1. Argentino
2. Puertorriqueño
3. Dominicano
4. Chileno
5. Mexicano
6. Guatemalteco
7. Panameno ( has the little ~ on the second n)
8. Peruano
9. Cubano
10. Colombiano
11. Costarricense
12. Texano
Carmen y Valeria conocen Chile
Cierto...........................