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

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

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