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

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

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