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

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

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