context: A boy in an orange shirt is standing in a room. He starts punching a punching bag. the punching bag
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next sentence for the context: moves in the air.

context: We see two men fencing in a stadium. a man
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next sentence for the context: throws his arms in the air.

context: How to demonstrate that oxides formed by nonmetals are acidic
Take a deflagrating spoon.
You can get such a spoon in a chemistry lab
Put some sulphur powder (a non-metal) in a jar.
They are yellow in colour.
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next sentence for the context: Take 1 spoon of sulphur powder in a deflagrating spoon. Heat the deflagrating spoon using a minus heater.

context: How to write a guardianship letter
Check if your state allows guardianship letters.
Not all states recognize guardianship letters. Instead, they require that even temporary custody issues be handled through the courts.
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next sentence for the context:
The state of maine, for example, requires parents to file papers with a court in order to seek a temporary guardianship. Some states limit informal arrangements, such as those made by letter, to a six month period in order to be effective.