Task: Question Answering
Input (English): Problem: alice picked a number of pears , each of which she sold , canned , or poached . she canned 20 percent more than she poached , and she poached 50 percent less than she sold . if there were a total of 42 pears , then how many pears did she sell ? 
Options: a ) 20 , b ) 21 , c ) 22 , d ) 23 , e ) 24
Output (English): a