What is the subject of this sentence?

It was in 2007, 14 years after Escobar's death, that people in rural Antioquia, 200 miles northwest of Bogota, began phoning the Ministry of Environment to report sightings of a peculiar animal.

Which answer below identifies two appositive phrases in this sentence?

Carlos Valderrama, a veterinarian, went to look, and found himself faced with the task of explaining to startled villagers that this was an animal from Africa, a hippopotamus.

What is the subject of this sentence?

Situated halfway between the city of Medellin and Bogota, Hacienda Napoles was the vast ranch owned by the drug baron Pablo Escobar.

What is the verb phrase in this sentence?

In the early 1980s, before Escobar had started the campaign of assassinations and bombings that was to almost tear Colombia apart, he built a zoo.

Identify the appositive phrase in this sentence.

He smuggled in elephants, giraffes, and other exotic animals, among them four hippos, and, with a typically grand gesture, he allowed the public to wander freely around the zoo.

What is the subject of this sentence?

When Hacienda Napoles was confiscated in the early 1990s, Escobar's menagerie, except for the hippos, was dispersed to zoos around the country.

What is the appositive phrase in this sentence?

For about two decades, the hippos have wallowed in their soupy lake, watching the park around them become neglected and overgrown.

What is the main verb phrase in this sentence?

At night, the hippos roam the countryside, wandering into ranches, eating crops, and occasionally crushing small cows.

Which answer below identifies the subject phrase of this sentence?

One idea to contain the hippos, favored by David Echeverri of the local environmental authority, is to build a reserve with hippo-proof fences.