Final answer:
Sarah's company culture can best be described as innovative, as it encourages employees to tolerate ambiguity, take risks, and suggest ideas at weekly roundtables. The company values fun and spontaneity, which further supports the idea of an innovative culture.
Step-by-step explanation:
Based on the description given, Sarah's company culture can best be described as innovative. The culture encourages employees to tolerate ambiguity, take risks, and suggest ideas at weekly roundtables. This shows a focus on creativity, experimentation, and a willingness to embrace change. The company also values fun and spontaneity, which further supports the idea of an innovative culture.