Added a missing method

Change-Id: I93b3cb0465ca6e18692d0b4dd8b9c1eb449c2739
Cannot throw what we don't have

Change-Id: I7a85903fc617de377efd446eb85b99233cd1469d
Forget for now how we got to the answer

Change-Id: I2112c0c0049f2c113ba894d7622fed358eefb5f5