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

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

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