Prism(C)
Foo(TM)
Foobar(R)

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[
	["phrase", [
		"Prism", ["mark", [["punctuation", "("], "C", ["punctuation", ")"]]],
		"\r\nFoo", ["mark", [["punctuation", "("], "TM", ["punctuation", ")"]]],
		"\r\nFoobar", ["mark", [["punctuation", "("], "R", ["punctuation", ")"]]]
	]]
]

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Checks for marks symbols.