Please help!! when does an unclear reference occur ?

If ms. walton can enroll at least twenty students, she plans to offer an olympic fencing elective class. she needs to share information about the course with students and parents. which is ms. walton least likely to use in a one-sided, one-page information flyer about the course? a) a short bulleted list of the goals of the fencing course b) a colorful pie chart of fencing results in the last five olympics c) a brief description of fencing next to a small image of two people fencing d) text features such as varied font styles, sizes, and colors to highlight planned class activities

If one writes logically, he will prove his point. is this sentence correct or contains an unwarranted shift in person?

Romeo and juliet have fallen in love, even though their families despise one another. based on the excerpt, what are the two main purposes of this prologue?