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

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

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