How does the Halfling Lucky trait work with disadvantage and two natural ones?

@ChrisPerkinsDnD @mikemearls Rolled @ disadvantage. Two Nat Ones. How does the Halfling Lucky trait work for that situation? #SageAdvice

— Drew Perkins (@nowaterjace) December 31, 2016

@ChrisPerkinsDnD @mikemearls Rolled @ disadvantage. Two Nat Ones. How does the Halfling Lucky trait work for that situation? #SageAdvice

— Drew Perkins (@nowaterjace) December 31, 2016