These are each made up of a quark and an Antiquark.
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Every quark carries a color, while every Antiquark carries an anticolor.
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3
Each pentaquark is made of a baryon
with three quarks inside and a meson with a quark and an Antiquark.
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Exotic hadrons like pentaquarks(four quarks, one Antiquark) and tetraquarks(two quarks,
two Antiquarks) are also classified as baryons and mesons depending on their baryon number.
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Or were there instead two clusters-
one three-quark baryon and a meson(the particle made of a quark and an Antiquark) that interacted with each other?