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

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

*GRAMMAR*
wif -> PURPLE 
 lug -> RED 
 fep -> GREEN 
 gazzer -> PINK 
 u1 dax u2 -> [u2] [u1] 
 x1 zup x2 -> [x1] [x2] 
 u1 kiki -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 