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

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

*GRAMMAR*
fep -> GREEN 
 lug -> PINK 
 zup -> YELLOW 
 kiki -> PURPLE 
 u1 dax u2 -> [u1] [u2] 
 u1 tufa -> [u1] [u1] 
 x1 blicket x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 