/* Dictionaries and keyword classification (efrt) */
var symbols = "the them there thesis this";
var packedDict = nlp.pack(symbols);
var lexer = nlp.lexer(packedDict);
print (lexer);
print ('thesis?',lexer.true('thesis'));
var dict = nlp.unpack(packedDict);
print ('thesis?',dict['thesis'])

var science = [
"astronomy",
"astrophysics",
"atom",
"beaker",
"biochemistry",
"biology",
"botany",
"Bunsen burner",
"burette",
"cell",
"chemical",
"chemistry",
"climate",
"climatologist",
"control",
"cuvette",
"data",
"datum",
"electricity",
"electrochemist",
"element",
"energy",
"entomology",
"evolution",
"experiment",
"fact",
"flask",
"fossil",
"funnel",
"genetics",
"geology",
"geophysics",
"glassware",
"graduated cylinder",
"gravity",
"herpetology",
"hypothesis",
"ichthyology",
"immunology",
"lab",
"laboratory",
"laws",
"lepidoptery",
"magnetism",
"mass",
"matter",
"measure",
"meteorologist",
"meteorology",
"microbiologist",
"microbiology",
"microscope",
"mineral",
"mineralogy",
"molecule",
"motion",
"observatory",
"observe",
"organism",
"ornithology",
"paleontology",
"particle",
"Petri dish",
"phase",
"physical science",
"physics",
"pipette",
"quantum mechanics",
"radiology",
"research",
"retort",
"scale",
"science",
"scientist",
"seismology",
"telescope",
"temperature",
"test tube",
"theory",
"thermometer",
"tissue",
"variable",
"virologist",
"volcanology",
"volume",
"volumetric flask",
"watch glass",
"weather",
"weigh",
"zoology",
]
var packedScience = nlp.pack(science);
print('packedScience',packedScience.length,science.join(',').length);
var lexer = nlp.lexer(packedScience);
print ('lexer',lexer);
print ('astrophysics?',lexer.true('astrophysics'));
var dict = nlp.unpack(packedScience);
print ('astrophysics?',dict['astrophysics'])
