Mark is five years old and Peter is five years old.
Mark is as old as Peter.
His mom is stricter than his dad.
His dad isn't as strict as his mom.
Math is more difficult than history.
History isn't as difficult as math.
Rock music is more popular than jazz.
Jazz isn't as popular as rock music.
Superman is stronger than Spiderman.
Spiderman isn't as strong as Superman.
Capitan America is faster than Ironman.
Ironman isn't as fast as Captain America.
Mexico is hotter than the USA.
The USA isn't as hot as Mexico.
Twitter is more popular than Facebook.
Facebook isn't as popular as Twitter.
