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

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

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