input: Please answer the following: What is the missing first step of the following process: - Babies become infants - Infants become children - Children learn skills - Children become teenagers - Teenagers undergo puberty - Teenagers become adults - Adults have children - Adults become elderly - Elderly humans die.
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output: Humans are born as babies

Please answer this: What is the missing first step of the following process: - Air enters bronchioles - Bronchioles have tiny air sacs called alveoli - Alveoli surrounded by small blood vessels - Oxygen absorbed by small blood vessels - Vessels deliver oxygen to every cell in the body - Blood brings carbon dioxide back to lungs - Carbon dioxide released when you exhale.
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Answer: Air enters the lungs through bronchial tubes

Problem: What is the missing first step of the following process: - Air goes through all the little branches in your lungs to fill up the air sacs, or alveoli - Oxygen goes through the walls of the alveoli and into the capillaries - The oxygen goes into the bloodstream - Oxygen is left and carbon dioxide is picked up - You breathe it out through your lungs -

A: You breathe in

Problem: Given the question: What is the missing first step of the following process: - That bacteria begins to grow and reproduce inside the cells - The dividing bacteria begin to make toxins - Those toxins damage your cells - Disease symptoms may begin.
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The answer is:
Someone is infected with bacteria

input question: What is the missing first step of the following process: - The bird collects bits of sticks and grass - The sticks and grasses are placed between support branches - Leaves, mud and spider webs are added to the sticks - The mud, leaves and webs glue the sticks together - The solid nest supports the eggs -???
output answer: A bird picks a spot high spot, often in a tree

input question: What is the missing first step of the following process: - The stomach churns the food - With the aid of stomach acids - The food becomes a thick liquid - Is then passed to the small intestine.???
output answer:
Food leaves the esophagus and enters the stomach