The student wants to emphasize a difference between the two lighthous… | 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.
Esther O’Neill was the lighthouse keeper at Concord Point Light in Maryland.
She held this position from 1863 to 1881.
Fannie May Salter was the lighthouse keeper at Turkey Point Light in Maryland.
She held this position from 1925 to 1947.

The student wants to emphasize a difference between the two lighthouse keepers. Which choice most effectively uses relevant information from the notes to accomplish this goal?

From 1863 to 1881, the nighttime waters of Maryland were made more navigable thanks to Esther O’Neill.

As the lighthouse keeper at Turkey Point Light, Fannie May Salter helped watercraft navigate at night.

Esther O’Neill worked as a lighthouse keeper in an earlier century than did Fannie May Salter.

Esther O’Neill and Fannie May Salter both played crucial roles in ensuring safe navigation for watercraft in past centuries.