This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Basic constituent structure analysis English sentence.svg Basic annotated syntactic constituent structure tree for simple English sentence Note that the formal terminology of linguistic theories Xbar theory etc is not used Converted from the following PostScript source code translate moveto rlineto rlineto rlineto closepath