Use the excerpt below to answer the following question: “A female skeleton was found in Ethiopia on November 24, 1974. She lived approximately 3.2 million years ago. The scientists who found her named the skeleton Lucy. Lucy was only 3’7” tall. She stood upright and had a very small skull.”
Public Domain

Of the following choices, select the one that is the best summary of the excerpt above:

The excerpt is from the diary of one of the scientists who discovered Lucy.
The excerpt is from a secondary source and provides factual details about the finding of an ancient skeleton named Lucy.
The excerpt is from a primary resource and discusses factual details about the finding of an ancient skeleton.
It is difficult to determine whether the excerpt is from a primary or secondary source, as there are not enough identifying details.