RULE: Budgerigar

<Question>
Match
{Variable}
Direct Choice
{Variable}
Infered Choice

IF
What SIZE was the TAIL = {Long} OR {Very Long} OR {Unknown} AND
What SHAPE was the TAIL = {Pointed or wedge-shaped} OR {Unknown} AND
What colour was the BACK = {Green} OR {Blue} OR {Unknown} AND
What colour was the BELLY = {Green} OR {Blue} OR {Unknown} AND
What colour was the BREAST = {Green} OR {Blue} OR {Unknown} AND
What colour was the THROAT = {White, or pale (grayish-white)} OR {Yellow} OR {Unknown} AND
What colour was the BILL = {White, or pale (grayish-white)} OR {Yellow} OR {Olive (yellowish-green)} OR {Green} OR {Gray, or blue-gray} OR {Unknown} AND
What SHAPE was the BILL = {Conical and thick} OR {Hooked} OR {Downcurved} OR {Unknown} AND
What LENGTH was the BILL = {Very short} OR {Short} OR {Medium} OR {Unknown} AND
What FACIAL or HEAD features were noted if any = {Light area between the bill and the eye} OR {Light area near or around the eye} OR {NONE or a PLAIN unmarked FACE} OR {Unknown} AND
What colour was the TOP of HEAD = {White, or pale (grayish-white)} OR {Yellow} OR {Unknown} AND
What was the predominant colour of the HEAD = {White, or pale (grayish-white)} OR {Yellow} OR {Unknown} AND
How BIG was the bird = {Smaller than a sparrow} OR {Sparrow-sized} OR {Robin-sized} AND
<What TYPE of bird was seen> = {Songbird}
THEN
Budgerigar (Confidence: 1)