Principle: 'Wrongful gain' is gain by unlawful means of property to which the persongaining is not legally entitled. 'Wrongful loss' is the loss by unlawful means of property to whichthe person losing it is legally entitled.Facts: 'X' takes away Y' s watch out of Y' s possession, without Y' s consent and with theintention of keeping it.

• A. 'X' causes 'wrongful gain' to 'Y'
• B. 'Y' causes 'wrongful gain' to 'X'
• C. 'X' causes 'wrongful loss' to 'Y'
• D. 'Y' causes 'wrongful loss' to 'X'