RULE: Blue Grosbeak (Female)

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

IF
What colour was the BACK = {Orange, buff (orange-yellow), or tan} OR {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Unknown} AND
What colour was the BELLY = {Orange, buff (orange-yellow), or tan} OR {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Unknown} AND
What colour PATTERN if any was shown on the BREAST = {Uniform color} OR {Unknown} AND
What colour was the BREAST = {Orange, buff (orange-yellow), or tan} OR {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Unknown} AND
What colour was the THROAT = {White, or pale (grayish-white)} OR {Orange, buff (orange-yellow), or tan} OR {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Unknown} AND
<What SHAPE was the BILL> = {Straight and thick} OR {Conical and slender} OR {Conical and thick} 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 = {NONE or a PLAIN unmarked FACE} OR {Unknown} AND
What colour was the TOP of HEAD = {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Unknown} AND
What was the predominant colour of the HEAD = {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Unknown} AND
<How BIG was the bird> = {Sparrow-sized} OR {Robin-sized} AND
<What TYPE of bird was seen> = {Sparrow-like} OR {Songbird} AND
WHEN was the bird seen = {Spring} OR {Summer} OR {Fall} AND
<WHERE was the bird seen> = {Northeastern Canada or United States} OR {Northwestern Canada or United States}
THEN
Blue Grosbeak (Confidence: 1)