Activity 3: Now, pick out the topic sentences in paragraphs II and III, and write their outlines. Occasionally, the topic sentence can come in the middle of the paragraph. In such a case, the paragraph shows a contrast between two ideas. Read the following paragraph and its outlines. 'Traditionally, we have tended to think of meat, dairy produce and eggs as the normal protein supplements to our diet. 2Peas, beans, lentils and other grains and vegetables are regarded as cheaper alternatives. It may come as a surprise to many to learn that in fact, the humble beans and lentils in our diet are richer in protein content than the products in the first category (meat and dairy). "For example, cheese contains about 25 percent protein, beef and lamb about 14 percent, and pork, chicken and eggs about 11 percent. "In comparison, grains contain 20 to 40 percent, depending on the variety.​