The document contains 30 sentences comparing different objects using comparative and superlative adjectives such as faster, hotter, best, prettiest, most difficult, funnier, tallest, more expensive, worse, biggest, more popular, friendlier, juiciest, most delicious, better, more beautiful, most difficult, taller, bushier, more colourful, bravest, prettiest, most beautiful, best, most interesting, fatter, biggest, taller, and highest.