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

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

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