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

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

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