Are the following words content or function lexemes?

$1.$ tongue, wonderful, include, ironically, borrowed

$($a$)$ content

$($b$)$ function

$2.$ the, some, herself, whereas, due to

$($a$)$ content

$($b$)$ function

$3.$ what, not, those, can, five

$($a$)$ content

$($b$)$ function

$4.$ while, yet, have $($done$),$ is $($a student$),$ within

$($a$)$ content

$($b$)$ function