Task: Question Answering
Input (English): Problem: find the area of trapezium whose parallel sides are 20 cm and 18 cm long , and the distance between them is 17 cm 
Options: a ) 178 cm 2 , b ) 323 cm 2 , c ) 285 cm 2 , d ) 167 cm 2 , e ) 197 cm 2
Output (English): b