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

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

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