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

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

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