The phrase "arguably contained" is correct and usable in written English.
It can be used when discussing something that can be claimed or asserted to be included or encompassed within a certain context or framework, often with some degree of debate or subjectivity.
Example: "The novel is arguably contained within the broader genre of magical realism, despite its unique narrative style."
Alternatives: "possibly included" or "potentially encompassed".
Alice (1990), an extremely quiet film, received indifferent reviews, but it arguably contained Farrow's best performance in any of Allen's films as a wealthy woman who is sent down a fantasy rabbit hole by an ancient Chinese sage.
While this was the result of the work and ideas of many, the most extensive treatment in the framework is arguably contained in the 1965 work of Geymonat [3].
Both 469SBP and 370SBP had similar branch lengths (see Figure 1b and Figure 2b); however, because 370SBP arguably contained no false positives, it represented the most accurate approximation of the species history.
Il tabarro (The cloak) arguably contains some of the composer's most poised and finely wrought music.
The details that have leaked out so far arguably contain something for both sides, depending on interpretation.
The King of Comedy is easily the least watched film on this list, but it's the one that arguably contains De Niro's most fascinating performance.
The jacket of his next book, a collection of breathtaking essays, perfectly titled "Arguably," contains some glowing words of praise, including my own (humble but earnest) asseveration that he is — was — "the greatest living essayist in the English language".
But they said that if someone jumped a fence with a backpack or other item that could arguably contain a bomb or other weapon, but did not clearly threaten the guard, they could not fire their guns.
The resulting physical view arguably contains anticipations of the fundamental character of modern physics, and certainly anticipates modern theory of homeostatic systems.
While many strategy games arguably contain a similar "explore, expand, exploit, exterminate" cycle, game journalists, developers and enthusiasts generally apply "4X" to a more specific class of games, and contrast 4X games with other strategy games such as Command & Conquer.
Petrified Forest National Park arguably contains the best exposed, most accessible, and most thoroughly studied terrestrial Upper Triassic deposits in the world.
