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

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

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