Task: Question Answering
Input (English): Problem: twenty - one dots are evenly spaced on the circumference of a circle . how many combinations of three dots can we make from these 21 dots that do not form an equilateral triangle ? 
Options: ['a ) 1299', 'b ) 1305', 'c ) 1311', 'd ) 1317', 'e ) 1323']
Output (English): e