*SUPPORT*
IN: gazzer dax gazzer OUT: GREEN GREEN GREEN
IN: fep wif dax wif OUT: YELLOW PINK PINK PINK
IN: zup fep fep kiki OUT: BLUE YELLOW YELLOW YELLOW
IN: wif lug OUT: PINK PINK PINK
IN: zup OUT: BLUE
IN: zup fep lug OUT: BLUE YELLOW YELLOW YELLOW
IN: zup lug OUT: BLUE BLUE BLUE
IN: fep kiki OUT: YELLOW YELLOW
IN: wif kiki OUT: PINK PINK
IN: wif zup OUT: PINK BLUE
IN: gazzer kiki OUT: GREEN GREEN
IN: fep wif wif kiki OUT: YELLOW PINK PINK PINK
IN: gazzer lug OUT: GREEN GREEN GREEN
IN: wif OUT: PINK

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

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