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

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

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