A puzzle involving a set of words which must be divided into groups such that the words in each group share some connection.

A puzzle involving a set of words which must be divided into groups such that the words in each group share some connection.

Based on the BBC game show 'Only Connect'.

Usually there is a $4\times4$ grid, and the words must be split into $4$ groups. But beware because there are usually lots of red herrings! There are $\dfrac{16!}{4!^4}=63,063,000$ possibilities per grid.

Examples:

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