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

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

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