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"Gasoline is a hydrocarbon fuel used in many cars. "

"The new student is potentially a star athlete; she runs very fast and jumps high. "

"The textile factory used azobenzene in the process to create vibrant, long-lasting colors on the cotton fabric. "

"The science students conducted their experiments in the school laboratory. "

"My sister is very helpful, especially when it comes to organizing things. "

"The children variously expressed their excitement about the upcoming school trip, with some jumping up and down, others chattering excitedly, and still others quietly humming. "

"The box containing my old toys was stored in the attic. "

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"The lawyer carefully reviewed the protocols from the previous negotiation to understand the exact agreements made before drafting the final contract. "

"The air we breathe is mostly nitrogen. "

"The scientist studied the effects of different types of soil on plant growth. "

""During the war, the refugees lived in guarded compounds for their safety." "