How To Write An Introduction To A Compare Contrast Paper . Compare and the reason for compare and contrast. Contrast paragraphs underline the possible distinctions between the subjects and justify your discoveries with the proper evidence. Search, Google search and Google on Pinterest from www.pinterest.com Your first sentence should be strong enough to capture the reader’s attention and convince him or her to read the rest of your paper. To make a venn diagram, simply draw some overlapping circles, one circle for each item you’re considering. Choose the topic of your text.