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

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

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