Task: Question Answering
Input (English): Problem: the average temperature for monday , tuesday , wednesday and thursday was 48 degrees and for tuesday , wednesday , thursday and friday was 46 degrees . if the temperature on monday was 42 degrees . find the temperature on friday ? 
Options: a ) 34 , b ) 55 , c ) 66 , d ) 81 , e ) 21
Output (English): a