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

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

*GRAMMAR*
kiki -> PURPLE 
 lug -> GREEN 
 gazzer -> RED 
 wif -> YELLOW 
 u1 zup u2 -> [u2] [u1] 
 u1 tufa u2 -> [u1] [u2] [u2] 
 u1 fep -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 