RULE: American White Pelican

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

IF
What colour were the WING TIPS = {Black or dark gray} OR {Unknown} AND
What colour was the BACK = {White, or pale (grayish-white)} 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 NECK = {White, or pale (grayish-white)} OR {Unknown} AND
What colour was the BILL = {Yellow} OR {Orange, buff (orange-yellow), or tan} OR {Unknown} AND
<What SHAPE was the BILL> = {Straight and thick} OR {Flattened} OR {Unknown} AND
<What LENGTH was the BILL> = {Long} OR {Very long} OR {Unknown} AND
What was the predominant colour of the HEAD = {White, or pale (grayish-white)} OR {Unknown} AND
<How BIG was the bird> = {Goose-sized} OR {Larger than a goose} AND
<What TYPE of bird was seen> = {Duck or Goose-like}
THEN
American White Pelican (Confidence: 1)