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

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

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