In this task, you need to provide the parts-of-speech tag of a word present in a sentence specified within curly braces  ( '{{ ... }}' ). The parts-of-speech tags are coarse labels that represent a category of words with similar grammatical properties. The list of part-of-speech tags i.e tagset of this corpus is - 
 '.': Period symbol is used for symbols denoting Punctuations/Separations such as comma, period, backticks etc., 
 'ADJ': Adjectives are words that typically modify nouns and specify their properties or attributes, 
 'ADP': Adposition is a cover term for prepositions and postpositions, 
 'ADV': Adverbs are words that typically modify verbs for such categories as time, place, direction or manner, 
 'CONJ': A word used to connect clauses or sentences or to coordinate words in the same clause, 
 'DET': Determiners are words that modify nouns or noun phrases and express the reference of the noun phrase in context, 
 'NOUN': Nouns are a part of speech typically denoting a person, place, thing, animal or idea, 
 'NUM': A numeral is a word, functioning most typically as a determiner, adjective or pronoun, that expresses a number and a relation to the number, such as quantity, sequence, frequency or fraction, 
 'PRT': Particles are function words that must be associated with another word or phrase to impart meaning and that do not satisfy definitions of other universal parts of speech, 
 'PRON': Pronouns are words that substitute for nouns or noun phrases, whose meaning is recoverable from the linguistic or extralinguistic context, 
 'PROPN': A proper noun is a noun (or nominal content word) that is the name (or part of the name) of a specific individual, place, or object, 
 'VERB': A verb is a member of the syntactic class of words that typically signal events and actions, can constitute a minimal predicate in a clause, and govern the number and types of other constituents which may occur in the clause, 
 'X': The tag X is used for words that for some reason cannot be assigned a real part-of-speech category.
--------
Question: Sentence: Then we have surviving at least one instance of a poem prepared for another , in Naturam non Pati Senium , and perhaps also the De Idea {{ Platonica }} . 
Word: Platonica

Answer: X


Question: Sentence: Muller , nakedly exposed at the bright window like a deer pinned in a car's headlights , threw {{ down }} the rifle and turned to jump from the table ; ; 
Word: down

Answer: PRT


Question: Sentence: For a brief period each year , the rays of the sun are warm enough to melt some of the snows piled a mile deep at the base of the headwalls , and then the pinnacles glisten in the daytime at high noon , and billions of gallons of water begin {{ their }} slow seepage under the glaciers and across the rockstrewn hanging valleys on their long , meandering journey to the sea -- running east past the sky-carving massifs of Gurla Mandhata and Kemchenjunga , then turning south and curling down through the jungles of Assam , past the Khasi Hills , and into Bengal , past Sirinjani and Madaripur , until the hard water of the melting snows mingles with the soft drainage of fields and at length fans out to meld with the teeming salt depths of the Bay of Bengal . 
Word: their

Answer:
DET