For-example-a-proton-is-made-of-two-up-quarks-an -- Multiple sentences match

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For example, a proton is made of two up quarks and one down quark ; and its corresponding antiparticle, the antiproton, is made of two up antiquarks and one down antiquark.

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For example, a proton is made of two up quarks and one down quark, while the atomic nucleus of helium-4 is composed of two protons and two neutrons.

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