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

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

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