RULE: Red Phalarope

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

IF
In FLIGHT did the bird display a LIGHT WING STRIPE or PATCH = {Yes} OR {Unknown} AND
<What colour was the BACK> = {Blue} OR {Gray, or blue-gray} OR {Unknown} AND
What colour was the BREAST = {White, or pale (grayish-white)} OR {Unknown} AND
What colour was the THROAT = {White, or pale (grayish-white)} OR {Unknown} AND
What colour was the BILL = {White, or pale (grayish-white)} OR {Black, purple, or dark} OR {Unknown} AND
<What SHAPE was the BILL> = {Straight and slender} OR {Straight and thick} OR {Unknown} AND
<What LENGTH was the BILL> = {Medium} OR {Unknown} AND
<How BIG was the bird> = {Sparrow-sized} OR {Robin-sized} OR {Pigeon-sized} AND
<What TYPE of bird was seen> = {Sandpiper-like} OR {Duck or Goose-like} AND
WHEN was the bird seen = {Spring} OR {Fall} OR {Winter}
THEN
Red Phalarope (Confidence: 2)