Final answer:
The sentence that has a critical tone is "The amateur cast is unable to convey the significance of the show’s message," as it negatively assesses the cast's performance.
Step-by-step explanation:
The sentence with a critical tone among the options provided is, "The amateur cast is unable to convey the significance of the show’s message." This sentence suggests a negative evaluation of the amateur cast's performance, highlighting their failure in expressing the core meaning of the production they are a part of. In contrast, the other sentences describe factual information about the show or positively evaluate certain aspects of a theatrical production, such as script wisdom or the vibrancy brought about by costumes and dance numbers.
A critical tone often entails conveying a judgement or assessment that points out flaws or shortcomings. In the context of theatre criticism, a statement that denotes an inability or lack of skill is typically seen as critical. For instance, when theatre critics give less flattering reviews, it can impact the commercial success of a production significantly, as seen with the influence of publications like the New York Times on Broadway shows.