#professional_dancer__dancer  a performer who dances
  supertype:  performer__performing_artist  an entertainer who performs a dramatic or musical work for an audience
  instance:  Alicia_Alonso  Fred_Astaire  George_Balanchine  Mikhail_Baryshnikov  Merce_Cunningham  Agnes_George_De_Mille  Isadora_Duncan  Dame_Margot_Fonteyn  Martha_Graham  Judith_Jamison  Tamara_Karsavina  Eugene_Curran_Kelly  Dame_Alicia_Markova  Leonide_Fedorovitch_Massine  Arthur_Mitchell  Lola_Montez  Vaslav_Nijinsky  Rudolf_Nureyev  Anna_Pavlova  Ginger_Rogers  Salome  Ted_Shawn  Moira_Shearer  Ruth_St._Denis  Maria_Tallchief  Twyla_Tharp  Antony_Tudor  Galina_Sergeevna_Ulanova  Gaetan_Vestris
  subtype:  ballet_dancer  a dancer who is a member of a ballet company
     subtype:  ballerina__danseuse  a female ballet dancer
        subtype:  prima_ballerina__primaballerina  a leading female ballet dancer
     subtype:  danseur_noble__danseurnoble__danseur  a male ballet dancer who is the partner of a ballerina
  subtype:  ballet_master  a man who directs and teaches and rehearses dancers for a ballet company
  subtype:  baller_mistress  a woman who directs and teaches and rehearses dancers for a ballet company
  subtype:  belly_dancer__bellydancer__exotic_dancer  a woman who performs a solo Oriental dance using exaggerated abdominal movements
  subtype:  chorus_girl__showgirl__chorine  a woman who dances in a chorus line
  subtype:  hoofer__stepper  a professional dancer
  subtype:  nautch_girl  a professional dancing girl in India
  subtype:  tap_dancer__tapdancer  a dancer who who sounds out rhythms by using metal taps on the toes and heels of the shoes
  subtype:  taxi_dancer  a woman employed to dance with patrons who pay a fee for each dance

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