NT System Options (-nl)
This option is to find the LexItem norm of the input term. The default is true when no normalize option is specified.
> nt -p -nl - Please input a term (type "Ctl-d" to quit) > Saw film --- LexItemNorm --- saw film - Please input a term (type "Ctl-d" to quit) > Ice-Cream --- LexItemNorm --- ice cream