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

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

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