Which choice most effectively uses relevant information from the note… | Verbal SAT Question

While researching a topic, a student has taken the following notes:

Vexillology is the study of flags.
The flags of many countries include symbols like animals, plants, or landforms.
These symbols often represent an aspect of the region’s history, culture, or landscape.
The flag of Papua New Guinea includes a raggiana bird-of-paradise.
The flag of El Salvador includes a palm branch.

Which choice most effectively uses relevant information from the notes to make and support a generalization about symbols on flags?

Papua New Guinea’s flag includes a raggiana bird-of-paradise, a symbol that is important to that country’s national identity.

The flags of some countries include symbols of animals; Papua New Guinea’s, for example, includes a raggiana bird-of-paradise.

Many countries feature symbols on their flags, and the study of these designs is known as vexillology.

Vexillology is the study of flags; accordingly, vexillologists are interested in flags from around the world.