RULE: Sandwich Tern

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

IF
How BIG was the bird = {Robin-sized} OR {Pigeon-sized} AND
List any unique FEEDING or other BEHAVIOUR observed = {Chasing and harassing other birds in flight} OR {Diving into water from the air} AND
<What TYPE of bird was seen> = {ID by Unique Behaviour or Jizz} AND
What type of ENVIRONMENT was the bird seen in = {Open area: field, prairie, farmland, tundra} OR {Saltwater marsh or wetland} OR {Flat saltwater shore; beach} OR {Rocky saltwater shore; cliff} OR {Open ocean; beyond sight of land} OR {In flight over saltwater} AND
WHERE was the bird seen = {Southeastern United States}
THEN
Sandwich Tern (Confidence: 2)