Natural Language Processing
Only the son praised his sister. (The rest of the family did not.)
The only son praised his sister. (There was just one son.)
The son only praised his sister. (He never found fault with her.)
The son praised only his sister. (But never anyone else.)
The son praised his only sister. (He had just one sister.)
The son praised his sister only. (In this instance, he praised no one but her.)