RULE: Greater Prairie-Chicken

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

IF
What SHAPE was the TAIL = {Rounded at the end} OR {Unknown} AND
What colour was the BELLY = {White, or pale (grayish-white)} OR {Orange, buff (orange-yellow), or tan} OR {Brown, or chestnut (reddish-brown)} OR {Unknown} AND
What colour PATTERN if any was shown on the BREAST = {Barred crosswise (from side to side)} 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> = {Conical and thick} OR {Hooked} OR {Downcurved} OR {Unknown} AND
<What LENGTH was the BILL> = {Very short} OR {Short} OR {Unknown} AND
How BIG was the bird = {Pigeon-sized} OR {Crow-sized} AND
<What TYPE of bird was seen> = {Chicken-like ground bird} AND
What type of ENVIRONMENT was the bird seen in = {Open area: field, prairie, farmland, tundra}
THEN
Greater Prairie-Chicken (Confidence: 1)