In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Ex Input:
Problem: how many pieces can a square pizza be cut into by making 6 linear cuts ? 
Options: a ) 20 , b ) 21 , c ) 22 , d ) 23 , e ) 24

Ex Output:
c


Ex Input:
Problem: the area of a square field is 1600 km 2 . how long will it take for a horse to run around at the speed of 16 km / h ? 
Options: a ) 12 h , b ) 10 h , c ) 8 h , d ) 6 h , e ) none of these

Ex Output:
b


Ex Input:
Problem: find the area of a parallelogram with base 22 cm and height 14 cm ? 
Options: a ) 298 cm 2 , b ) 384 cm 2 , c ) 308 cm 2 , d ) 286 cm 2 , e ) 276 cm 2

Ex Output:

c