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

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

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