The cup of coffee that could cause heart palpitations 
Marian Liu
To prove their ”world’s strongest” title, Kristafor had his beans tested chemically against competitors.
['To', 'prove', 'their', '”world’s', 'strongest”', 'title,', 'Kristafor', 'had', 'his', 'beans', 'tested', 'chemically', 'against', 'competitors.']