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

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

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