*SUPPORT*
IN: fep wif lug OUT: BLUE GREEN BLUE GREEN
IN: gazzer gazzer OUT: PURPLE PURPLE
IN: wif dax wif gazzer lug OUT: GREEN PURPLE GREEN GREEN PURPLE GREEN
IN: fep lug lug OUT: BLUE BLUE BLUE BLUE
IN: gazzer dax wif dax gazzer fep OUT: PURPLE BLUE GREEN PURPLE
IN: fep OUT: BLUE
IN: wif gazzer OUT: GREEN PURPLE
IN: zup zup OUT: YELLOW YELLOW
IN: gazzer dax gazzer OUT: PURPLE PURPLE
IN: zup lug lug OUT: YELLOW YELLOW YELLOW YELLOW
IN: fep dax wif zup OUT: GREEN YELLOW BLUE
IN: gazzer gazzer lug OUT: PURPLE PURPLE PURPLE PURPLE
IN: gazzer dax fep tufa wif OUT: GREEN BLUE PURPLE
IN: gazzer OUT: PURPLE

*QUERY*
IN: wif dax fep fep OUT: BLUE BLUE GREEN
IN: zup zup lug OUT: YELLOW YELLOW YELLOW YELLOW
IN: fep fep zup OUT: BLUE BLUE YELLOW
IN: fep fep OUT: BLUE BLUE
IN: wif OUT: GREEN
IN: gazzer dax gazzer lug lug OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: zup OUT: YELLOW
IN: zup wif dax fep OUT: YELLOW BLUE GREEN
IN: wif dax fep lug OUT: BLUE GREEN BLUE GREEN
IN: zup zup wif lug OUT: YELLOW YELLOW GREEN YELLOW YELLOW GREEN

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