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

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

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