Evaluate the Expression Without Using a Calculator $\ln \frac { 1 } { e ^ { 2 } }$

Evaluate the expression without using a calculator.
- $\ln \frac { 1 } { e ^ { 2 } }$

A) -2
B) 2
C) $\frac { 1 } { 2 }$
D) $- \frac { 1 } { 2 }$