Banana and Foolish talk

Banana noun - Any of several tropical and subtropical treelike herbs of the genus Musa having a terminal crown of large entire leaves and usually bearing hanging clusters of elongated fruits.

Foolish talk and banana are semantically related. In some cases you can use "Foolish talk" instead a noun "Banana".

Banana and foolish talk are semantically related. Sometimes you can use "Banana" instead a noun phrase "Foolish talk".