What ages are considered newborn, toddler, child and teenager?
A newborn is typically from birth to 1 year old. A toddler is 1-5. A child is 5-12. A teenager is 12-18.
Instruction: What ages are considered newborn, toddler, child and teenager?
Context: 
Response: A newborn is typically from birth to 1 year old. A toddler is 1-5. A child is 5-12. A teenager is 12-18.