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

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

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