RULE: Cliff Swallow

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

IF
Was the RUMP or LOWER BACK light = {Yes} OR {Unknown} AND
What colour was the BELLY = {White, or pale (grayish-white)} OR {Unknown} AND
What colour was the BREAST = {White, or pale (grayish-white)} OR {Orange, buff (orange-yellow), or tan} OR {Unknown} AND
What colour was the THROAT = {Rufous (dull-red or rust-colored)} OR {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Black, purple, or dark} OR {Unknown} AND
<What SHAPE was the BILL> = {Straight and thick} OR {Hooked} OR {Downcurved} OR {Unknown} AND
<What LENGTH was the BILL> = {Very short} AND
What colour was the TOP of HEAD = {White, or pale (grayish-white)} OR {Orange, buff (orange-yellow), or tan} OR {Blue} OR {Black, purple, or dark} OR {Unknown} AND
<How BIG was the bird> = {Smaller than a sparrow} OR {Sparrow-sized} AND
<What TYPE of bird was seen> = {Swallow-like} AND
WHEN was the bird seen = {Spring} OR {Summer} OR {Fall}
THEN
Cliff Swallow (Confidence: 6)