Cats Claw
Computer-Assisted Technology Service
Computational Linguist's Automated Workbench

Bracketed expressions

Enter your bracketed expression here. You might try copying and pasting this expression:
[s [np [det the] [n cat]] [vp [v sat] [pp [p on] [np [det the] [n mat]]]]]
Be sure always to put a label immediately after "[" without any spaces. You may use parentheses "( )" instead of brackets "[ ]" .