*SUPPORT*
IN: fep kiki lug zup OUT: RED YELLOW GREEN GREEN
IN: lug tufa lug OUT: GREEN GREEN
IN: fep OUT: RED
IN: lug kiki kiki zup OUT: GREEN YELLOW YELLOW YELLOW
IN: dax kiki lug zup wif dax OUT: PINK YELLOW GREEN GREEN PINK
IN: fep kiki tufa lug OUT: RED YELLOW GREEN
IN: dax zup OUT: PINK PINK
IN: dax kiki lug zup wif fep OUT: PINK YELLOW GREEN GREEN RED
IN: lug fep tufa lug wif dax OUT: GREEN RED GREEN PINK
IN: dax wif fep OUT: PINK RED
IN: lug tufa kiki OUT: GREEN YELLOW
IN: lug dax kiki tufa lug OUT: GREEN PINK YELLOW GREEN
IN: fep tufa dax OUT: RED PINK
IN: kiki OUT: YELLOW

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

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