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

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

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