*SUPPORT*
IN: dax zup blicket kiki blicket OUT: RED RED RED GREEN
IN: lug tufa blicket OUT: YELLOW RED
IN: wif zup lug OUT: YELLOW PURPLE
IN: wif kiki blicket kiki blicket OUT: RED RED RED RED PURPLE
IN: dax OUT: GREEN
IN: dax zup dax OUT: GREEN GREEN
IN: blicket tufa blicket kiki lug OUT: YELLOW YELLOW RED RED
IN: wif tufa dax OUT: PURPLE GREEN
IN: wif lug OUT: PURPLE YELLOW
IN: blicket tufa lug OUT: RED YELLOW
IN: dax tufa wif OUT: GREEN PURPLE
IN: lug tufa wif OUT: YELLOW PURPLE
IN: blicket zup dax OUT: GREEN RED
IN: lug OUT: YELLOW

*QUERY*
IN: dax kiki dax OUT: GREEN GREEN GREEN
IN: lug zup wif kiki wif kiki lug OUT: YELLOW YELLOW PURPLE PURPLE PURPLE YELLOW
IN: blicket tufa dax kiki dax OUT: GREEN GREEN RED GREEN
IN: blicket tufa blicket OUT: RED RED
IN: wif lug blicket tufa lug kiki dax OUT: GREEN GREEN PURPLE YELLOW RED YELLOW
IN: lug lug wif tufa wif kiki lug OUT: YELLOW YELLOW YELLOW YELLOW PURPLE PURPLE
IN: wif zup blicket OUT: RED PURPLE
IN: wif OUT: PURPLE
IN: blicket wif tufa blicket kiki lug OUT: YELLOW YELLOW RED PURPLE RED
IN: lug blicket dax blicket zup lug kiki blicket OUT: RED RED YELLOW RED GREEN YELLOW RED

*GRAMMAR*
lug -> YELLOW 
 wif -> PURPLE 
 blicket -> RED 
 dax -> GREEN 
 u1 zup u2 -> [u2] [u1] 
 x1 kiki u1 -> [u1] [u1] [x1] 
 u1 tufa u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 