RULE: Great Gray Owl

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

IF
Did the owl have EAR TUFTS = {No} OR {Unknown} AND
<What SHAPE was the BILL> = {Hooked} OR {Unknown} AND
<What LENGTH was the BILL> = {Very short} OR {Short} OR {Unknown} AND
What colour were the EYES = {White or light gray} OR {Yellow or olive} OR {Unknown} AND
What was the predominant colour of the HEAD = {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Black, purple, or dark} OR {Unknown} AND
How BIG was the bird = {Crow-sized} OR {Goose-sized} OR {Larger than a goose} AND
<What TYPE of bird was seen> = {Owl}
THEN
Great Gray Owl (Confidence: 2)