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

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

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