Consider the following statements and identify the functions of UNICEF:
1. Provide protective food like milk, meats, and fish to children.
2. Provide funds for training the personnel, including health and sanitation workers, teachers, and nutritionists.
3. Provide help to children and mothers in emergencies arising from natural calamities, civil strifes, and epidemics.
4. Provide technical supplies, equipment and other aids, ranging from paper for textbooks, to equipments and medicines to health clinics, to pipes and pumps for bringing clean water to villages .