Task: Question Answering
Input (English): Problem: if an average hard drive had a capacity of 0.6 tb in 2000 , and average hard drive capacities double every 5 years , what will be the average hard drive capacity in 2050 ? 
Options: a ) 256 , b ) 512 , c ) 768 , d ) 6144 , e ) 1536
Output (English): d