The question below consists of a set of labeled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

P. A breakfast using plant-based bacon substitutes and vegetarian sausage would reduce its carbon footprint by 51 percent.

Q. An average vegetarian sausage has about a quarter of the impact of a standard pork sausage.

R. This makes it an easy option to significantly reduce the breakfast’s environmental impact without dramatically affecting flavour.

S. This change alone would reduce the breakfast’s footprint by 25 percent.