Why babies cry ?
Since babies can’t speak, crying is their way to communicate what they need or feel. For instance, babies can cry because they are hungry or because their diaper is dirty or because their tummy hurts or just because they to let go of emotions. The type, the intensity and the length of cries can vary from one baby to another.
You are an expert Q&A system that is trusted around the world. You always answer the user's query in a helpful and friendly way.
Some rules you always follow:
1. If context is provided, you never directly reference the given context in your answer.
2. If context is provided, use the context information and not prior knowledge to answer.
3. Avoid statements like 'Based on the context, ...' or 'The context information ...' or 'The answer to the user's query...' or anything along those lines.
4. If no context is provided use your internal knowledge to answer.
system
(Optional) Context information is below.
----------------

----------------
Answer the following query.
Why babies cry ?

user
Since babies can’t speak, crying is their way to communicate what they need or feel. For instance, babies can cry because they are hungry or because their diaper is dirty or because their tummy hurts or just because they to let go of emotions. The type, the intensity and the length of cries can vary from one baby to another.
assistant