*SUPPORT*
IN: kiki fep lug OUT: GREEN RED
IN: lug blicket tufa blicket zup blicket OUT: PURPLE RED PURPLE PURPLE
IN: blicket fep lug tufa lug OUT: PURPLE RED RED
IN: kiki OUT: GREEN
IN: lug zup lug OUT: RED RED
IN: blicket wif OUT: PURPLE BLUE
IN: blicket OUT: PURPLE
IN: lug lug tufa wif tufa kiki OUT: RED RED BLUE GREEN
IN: blicket zup wif OUT: BLUE PURPLE
IN: blicket kiki fep lug OUT: PURPLE GREEN RED
IN: wif tufa lug tufa kiki lug OUT: BLUE RED GREEN RED
IN: wif tufa lug tufa blicket tufa wif OUT: BLUE RED PURPLE BLUE
IN: lug tufa blicket wif zup lug zup kiki OUT: RED GREEN RED PURPLE BLUE
IN: blicket tufa blicket zup lug zup lug OUT: PURPLE RED RED PURPLE

*QUERY*
IN: lug kiki OUT: RED GREEN
IN: wif zup kiki fep kiki zup kiki OUT: GREEN BLUE GREEN GREEN
IN: kiki blicket OUT: GREEN PURPLE
IN: kiki tufa blicket OUT: GREEN PURPLE
IN: blicket blicket OUT: PURPLE PURPLE
IN: wif tufa lug blicket tufa lug OUT: BLUE RED PURPLE RED
IN: lug OUT: RED
IN: wif zup wif OUT: BLUE BLUE
IN: wif OUT: BLUE
IN: lug tufa kiki fep blicket zup wif OUT: RED GREEN BLUE PURPLE

*GRAMMAR*
wif -> BLUE 
 kiki -> GREEN 
 blicket -> PURPLE 
 lug -> RED 
 u1 tufa x1 -> [u1] [x1] 
 x1 fep x2 -> [x1] [x2] 
 x1 zup u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 