Mother–infant routine events (plausible sequence): Arrange— a. Mother, b. Infant, c. Milk, d. Crying, e. Smiling.

Introduction / Context:
This common-sense sequencing problem models how a caregiver responds to an infant’s needs.

Given Data / Assumptions:

• Infant expresses need (crying) → caregiver provides milk → infant is satisfied (smiling).

Concept / Approach:
Order by cause (need) to response (care) to outcome (contentment).

Step-by-Step Solution:

Verification / Alternative check:
Matches typical caregiving flow.

Why Other Options Are Wrong:
They place smiling before feeding or omit the caregiver response order.

Common Pitfalls:
Starting with mother instead of infant’s need.

Final Answer:
b, d, a, c, e