Find the Odds in Favor of an Event with the Following

Multiple Choice

Find the odds in favor of an event with the following probability: $$P( E ) = \frac { 1 } { 2 }$$

A) $1$ to $4$
B) $3$ to $4$
C) $1$ to $1$
D) $4$ to $1$
E) $1$ to 2