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

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

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