NLU Assignment 2

This code implements PCFG CKY parser.

Prerequisites

Requirements

Following dependencies are required to run this code.

• nltk
• numpy

Alternatively, you can use following commands to install necessary libraries.

pip install -r requirements.txt

Training PCFG from scratch.

To train model from scratch use Trainer.py. Run following command:

python Trainer.py

Model inference.

To evaluate model use following command:

python Parse.py  [--sentence="<SENTENCE>"]

Arguments:

• --sentence: Specify the sentence to parse. Use appropriate escape characters as and when necessary. Place sentence inside quotes.