Task: Pos Tagging
Input (English): What is the season of the team that has played in the NBA playoffs for exactly half of its existence ( 15 playoff appearances in 30 years ) as of 2019 ?
Output (English): WP VBZ DT NN IN DT NN WDT VBZ VBN IN DT NNP NNS IN RB NN IN PRP$ NN ( CD NN NNS IN CD NNS ) IN IN CD .