Bran is the head UX Researcher at Hypothetica. Bran's team of $4$ designers is conducting formative research on Hypothetica's latest product that disinfects airplanes using UV light. Yesterday at work, Bran accomplished the following:

$1.$ Drafted $5$ personas based on the team's generative research.

$2.$ Compiled a list of user flows, one for each task that the current prototype affords.

Based on this information, what is Bran most likely preparing for?

$-$ A forensic analysis

$-$ A contextual inquiry

$-$ A heuristic evaluation

$-$ A cognitive walkthrough workshop