This market will resolve to "Yes" if Tulsi Gabbard becomes the first member of President Donald Trump's second-term cabinet to be dismissed, removed via impeachment, resign, or die. The market will resolve to "No" if any other cabinet member is dismissed, removed by the Senate after impeachment, resigns, or die before Gabbard, or if Gabbard remains in her position without such an event occurring through the end of Trump's 2nd term.

https://www.whitehouse.gov/administration/the-cabinet/

https://en.wikipedia.org/wiki/Second_cabinet_of_Donald_Trump

The Cabinet

Established in Article II, Section 2 of the Constitution, the Cabinet’s role is to advise the President on any subject he may require relating to the duties of each member’s respective office. President Donald J. Trump’s Cabinet includes Vice President J.D. Vance and the heads of the 15 executive departments.