Definition: In this task, you will be presented with a question about part-of-speech tag of a word in the question. You should write the required POS tag answering the question. Here is the Alphabetical list of part-of-speech tags used in this task: CC: Coordinating conjunction, CD: Cardinal number, DT: Determiner, EX: Existential there, FW: Foreign word, IN: Preposition or subordinating conjunction, JJ: Adjective, JJR: Adjective, comparative, JJS: Adjective, superlative, LS: List item marker, MD: Modal, NN: Noun, singular or mass, NNS: Noun, plural, NNP: Proper noun, singular, NNPS: Proper noun, plural, PDT: Predeterminer, POS: Possessive ending, PRP: Personal pronoun, PRP$: Possessive pronoun, RB: Adverb, RBR: Adverb, comparative, RBS: Adverb, superlative, RP: Particle, SYM: Symbol, TO: to, UH: Interjection, VB: Verb, base form, VBD: Verb, past tense, VBG: Verb, gerund or present participle, VBN: Verb, past participle, VBP: Verb, non-3rd person singular present, VBZ: Verb, 3rd person singular present, WDT: Wh-determiner, WP: Wh-pronoun, WP$: Possessive wh-pronoun, WRB: Wh-adverb

Positive Example 1 -
Input: What is the part-of-speech tag of the word "the" in the following question: Who were the builders of the mosque in Herat with fire temples ?
Output: DT

Positive Example 2 -
Input: What is the part-of-speech tag of the word "number" in the following question: After what season did the number 7 competitor retire ?
Output: NN

Negative Example 1 -
Input: What is the part-of-speech tag of the word "Year" in the following question: What year was the 1971-72 ECAC Hockey Player of the Year born ?
Output: DT

Negative Example 2 -
Input: What is the part-of-speech tag of the word "number" in the following question: After what season did the number 7 competitor retire ?
Output: N

Now complete the following example -
Input: What is the part-of-speech tag of the word "to" in the following question: What field of science is considered to have as one of its founders the former Massachusetts Institute of Technology faculty member who worked in the Linguistics department and was the son of Ashkenazi Jewish immigrants in Philadelphia ?
Output: 


Answer: TO