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

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

*GRAMMAR*
dax -> RED 
 lug -> PINK 
 kiki -> YELLOW 
 fep -> GREEN 
 x1 tufa x2 -> [x1] [x2] 
 x1 wif u1 -> [x1] [u1] 
 x1 zup x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 