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

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

*GRAMMAR*
kiki -> GREEN 
 fep -> RED 
 tufa -> PINK 
 wif -> YELLOW 
 x1 zup x2 -> [x2] [x1] [x1] [x2] [x2] 
 u1 dax x1 -> [u1] [u1] [x1] [u1] [u1] 
 u1 gazzer u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 