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

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

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