Consider the following user$-$defined function:

checkEvent $=$ function$($data$)\{$

unique$\_$numbers $=$ unique$($data$)$ # collecting all the unique values

for $($val in unique$\_$numbers$)\{$

if $($val$\%\%2==0)\{$

return$(0)$

$\}$

$\}$

return $(1)$

$\}$

This function returns TRUE if the input vector 'data' has:

Question $1$ options:

At least one element odd

At least one element even

All elements even

All elements odd