Task: Question Answering
Input (English): Problem: here is 15 dots . if you select 3 dots randomly , what is the probability that 3 dots make a triangle ? 
Options: a ) 440 / 455 , b ) 412 / 455 , c ) 434 / 455 , d ) 449 / 455 , e ) 438 / 455
Output (English): b