Which diagram best represents the relationship among Iron, Wood and Metals?

A small circle inside a larger circle, and a third circle apart from both

Correct answerYour answerThree circles, each inside the next

Correct answerYour answerTwo separate circles inside a larger circle

Correct answerYour answerTwo overlapping circles, and a third circle apart from both

Correct answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer A

Correct answer: A

Iron is a metal (and not every metal is iron): the Iron circle lies inside Metals.
Wood is not a metal and is not iron: the Wood circle is separate from both.
So a small circle sits inside a larger one, with a third circle apart.

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Explanation