A nurse is reinforcing teaching with the guardian of a 1-month-old infant who has a cleft lip and is bottle fed. Which of the following statements the guardian indicates that the teaching was effective?

"I will wait to burp my baby until after the feeding is finished."

"I will use a narrow-based nipple to feed my baby."

"I will hold my baby in an upright position during feedings."

"I will allow my baby's cheeks to remain relaxed during feeding."