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

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

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