RULE: Lanceolated Warbler

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

IF
Was the bird seen in ALASKA = {Yes} AND
Did the WINGS have STRIPES or PATCHES = {No} OR {Unknown} AND
What colour TAIL PATTERN was there if any = {None} OR {Unknown} AND
Was the RUMP or LOWER BACK light = {No} OR {Unknown} AND
What colour PATTERN if any was on the BACK = {Streaked, mottled, spotted, or barred} OR {Unknown} AND
What colour was the BACK = {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Black, purple, or dark} OR {Unknown} AND
What colour was the BELLY = {White, or pale (grayish-white)} OR {Orange, buff (orange-yellow), or tan} OR {Unknown} AND
What colour PATTERN if any was shown on the BREAST = {Streaked lengthwise (from head to tail)} OR {Barred crosswise (from side to side)} 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 = {White, or pale (grayish-white)} OR {Orange, buff (orange-yellow), or tan} OR {Unknown} AND
<What SHAPE was the BILL> = {Straight and slender} OR {Unknown} AND
<What LENGTH was the BILL> = {Short} OR {Medium} OR {Unknown} AND
What were the EYE markings if any = {Light STRIPE OVER, BEHIND or THROUGH the eye} OR {Unknown} AND
What colour was the TOP of HEAD = {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} 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> = {Warbler-like} OR {Sparrow-like} OR {Songbird} AND
WHEN was the bird seen = {Spring} OR {Summer} OR {Fall} AND
WHERE was the bird seen = {Northwestern Canada or United States}
THEN
Lanceolated Warbler (Confidence: 1)