Task: Question Answering
Input (English): Problem: if it takes a machine 2 ⁄ 3 minute to produce one item , how many items will it produce in 1 hours ? 
Options: a ) 1 ⁄ 3 , b ) 4 ⁄ 3 , c ) 90 , d ) 120 , e ) 180
Output (English): c