Help in Nltk

[projectfack at gmail.com]

Can anyone help me for the tasks below in nltk 


1. The	system	must	demonstrate	false	positive	and	false	negative	examples	
using	any	stemmer	(Task 1.1)
2. The	system	must	demonstrate	the	differences between	successive	layers	of	
the	Porter	stemmer	through	a	couple	of	examples.	(Task	1.2).
3. The	system	must	be	able	to	automatically	detect	whether	a	text	is	in	French	
or	English	and	stem	it	in	the	detected	language.	The	stemmer	for	French	
will	only	be	removing	plurals.		(Tasks	2	and	3).
4. The	system	must	demonstrate	the	use	of	the	Brill	Tagger	(Task	4.2).	
5. The	system	must	demonstrate	the	use	of	POS	tags	for	information
extraction	to	extract	all	types	of	fish	and	all	types	of	trees	mentioned	on	the	
Wikipedia	pages	for	Fish	and	Tree (Task	6)
6. The	system	must	demonstrate	the	use	of	WordNet	to	expand	nouns	with	
their	synonyms	and	their	hypernyms	(Task	9)