What is the most logical next event?

How to recognize signs of speech delay
Look for crying.
When your child is born, you should hear them crying. They will cry often during their early months of life, especially at night, when they might wake at odd hours in order to cry.

Pick your answer from:
I. They may cry between 7 and 11 weeks after their first meal, or at bedtime when they are hungry. When these kinds of crying occur, your child may be displaying decreased sound quality and poor word form.
II. After two to three months, the baby will cry in response to irritation and discomfort. When they see you (their parent), however, they will coo.
III. Listen to your child's breathing. Babies' breathing patterns change throughout their developmental development.
IV. As your child grows up, you should notice over-tears and other signs of difficulty. Crying may be the result of developmental abnormalities, such as delayed learning.
II.