The relationship between the following pair of words: Speaker and presentation is: Part to whole. The correct answer is option B. A presentation is the process of presenting a topic or an idea to an audience. This involves giving out information or educating a group of people. Therefore, a presentation is not possible without the speaker. A speaker is part of the presentation.
We can infer that in the story it’s around nighttime, as the mother is putting her children to bed, yawning, and setting her alarm clock for the morning. The fore, we can assume that she is tired and about to go to bed.