Sentence -> Noun Verbphrase	1
Noun -> the boy			.2
Noun -> the girl		.8
Verbphrase -> Verb Modlist Adverb	1
Verb -> runs			.3		
Verb -> walks			.7
Modlist ->			.4
Modlist -> very Modlist		.6
Adverb -> quickly		.1
Adverb -> slowly		.9
