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

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

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