The student wants to emphasize a similarity between Kate Walker and G… | Verbal SAT Question

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

Lighthouses send out crucial light signals to help ships and other watercraft navigate at night.
Before automation, lighthouses were run by lighthouse keepers.
Kate Walker was the lighthouse keeper at Robbins Reef Light in New York.
She held this position from 1894 to 1919.
Georgiana C. Brumfield was the lighthouse keeper at Turkey Point Light in Maryland.
She held this position from 1895 to 1919.

The student wants to emphasize a similarity between Kate Walker and Georgiana C. Brumfield. Which choice most effectively uses relevant information from the notes to accomplish this goal?

Lighthouse keepers during the late nineteenth and early twentieth centuries were crucial to ensuring safe navigation for watercraft.

From 1894 to 1919, the nighttime waters of New York were more navigable thanks to Kate Walker.

Kate Walker and Georgiana C. Brumfield were both lighthouse keepers during the late nineteenth and early twentieth centuries.

Kate Walker and Georgiana C. Brumfield spent their careers as lighthouse keepers in different lighthouses.