Gabby likes to tell a story about a funny experience she had during a traffic stop long ago. Each time she tells the story, the facts change a little bit. What does this mean about Gabby as a source of information? She’s a secondary source.

She’s a tertiary source.

She’s not a reliable source.

She’s not a primary source.

She's not a reliable source

Explanation:

First, we can confirm that Gabby is a primary source because she personally experienced the event at the traffic stop. However, she is not reliable because her story about the event changes a little bit every time. For a source to be reliable, it should be consistent and state the exact facts which happened during an event.