input: Please answer the following: 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.
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output: Food leaves the esophagus and enters the stomach

input: Please answer the following: What is the missing first step of the following process: - Bacteria start to divide and grow - The uncontrolled growth takes away resources from other cells - Other cells cannot function properly - We feel unwell - The growth and division of bacteria produce toxins - Toxins harm the body - The body tries to react to the toxins - The body's natural defenses can sometimes cause us to feel unwell.
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output: Bacteria enter the body

input: Please answer the following: What is the missing first step of the following process: - The roots of the growing plants start to break up the rock - The plant acids dissolve the rock - The rock is broken down into smaller pieces - Erosion begins.
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output: Plants start growing on or near the rocks

input: Please answer the following: What is the missing first step of the following process: - Heating element heats water - Pump forces water up in pipes connected to spinning paddles - The forced water makes paddles spin like a sprinkler - Water comes out of small holes in paddles - Water is collected and used again until dishes are clean - Water is drained through a filter - Filter collects particles of food - Water was so hot that it evaporates for dry dishes.
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output:
Cold water taken in through a hose to the bottom