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

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

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