You have never gave us details for this question
They can investigate about the topic being persuaded about throughout multiple different sources, they can not act on a whim and be like hey that sounds cool lets do it.
"<span>A pencil, four sheets of paper, and a ruler" would be a sentence fragment since it lacks crucial information, such as any verb or adjectives that describe what is going on.</span>
We cannot rely on only our five senses we have to use scientific tools to understand what is beyond our senses. Only using our five senses in inadequate.