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

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

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