The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
The basic guideline in writing a title that is being considered when the researcher should not use any unfamiliar and hard to understand words to avoid confusion to the readers is that the research uses a comprehensive and clear title to prevent any confusion.
The title has to clearly express the purpose of the paper and be so interesting that people indeed want to read it. The researcher has to have in mind that the title should include the tone of the writing and it has to include keywords to facilitate the search if someone tries to look for the paper on the internet. It is as well as important to discard any useless word or jargon, slangs, and unnecessary ideas that are not well suited in the title.
Professor plum is showing the detached style of listening. This type of listener are intellectually not present in a conversation although they are present physically. In the situation described clearly the professor was not listening to what Roberto was saying.
