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

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

*GRAMMAR*
lug -> PINK 
 tufa -> BLUE 
 kiki -> GREEN 
 fep -> RED 
 x1 blicket -> [x1] [x1] 
 u1 dax u2 -> [u2] [u1] [u2] 
 x1 wif x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 