RULE: Chimney Swift

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

IF
How did the bird fly = {Swallow-like} OR {Stiff-winged} OR {Erratic} AND
How BIG was the bird = {Smaller than a sparrow} OR {Sparrow-sized} AND
<What TYPE of bird was seen> = {ID by Unique Behaviour or Jizz}
THEN
Chimney Swift (Confidence: 4)