Task: Question Answering
Input (English): Problem: if a speaks the truth 70 % of the times , b speaks the truth 60 % of the times . what is the probability that they tell the truth at the same time 
Options: a ) 0.49 , b ) 0.48 , c ) 0.41 , d ) 0.42 , e ) 0.411
Output (English): d