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

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

*GRAMMAR*
kiki -> PINK 
 tufa -> RED 
 lug -> GREEN 
 fep -> BLUE 
 u1 blicket u2 -> [u1] [u2] 
 x1 dax u1 -> [u1] [x1] 
 u1 wif x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 