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

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

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