*SUPPORT*
IN: blicket blicket kiki wif lug blicket OUT: PURPLE PURPLE RED PURPLE PURPLE
IN: wif kiki blicket OUT: PURPLE RED
IN: fep OUT: GREEN
IN: wif lug wif OUT: RED RED RED
IN: wif OUT: RED
IN: wif kiki wif OUT: RED RED
IN: tufa OUT: BLUE
IN: wif kiki tufa OUT: BLUE RED
IN: wif wif gazzer OUT: RED RED RED RED
IN: tufa blicket tufa kiki blicket OUT: BLUE PURPLE PURPLE BLUE
IN: blicket kiki blicket gazzer gazzer OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: fep gazzer OUT: GREEN GREEN
IN: tufa kiki fep OUT: GREEN BLUE
IN: fep tufa tufa kiki tufa lug tufa OUT: BLUE GREEN BLUE BLUE BLUE BLUE

*QUERY*
IN: blicket kiki fep lug wif OUT: RED GREEN PURPLE RED
IN: tufa kiki blicket OUT: PURPLE BLUE
IN: tufa fep gazzer lug wif OUT: RED BLUE GREEN BLUE GREEN RED
IN: fep kiki fep OUT: GREEN GREEN
IN: wif kiki wif gazzer OUT: RED RED RED RED
IN: wif kiki blicket lug wif OUT: RED PURPLE RED RED
IN: blicket OUT: PURPLE
IN: wif tufa lug blicket lug wif lug tufa OUT: BLUE RED PURPLE RED BLUE PURPLE RED BLUE
IN: tufa kiki blicket lug tufa OUT: BLUE PURPLE BLUE BLUE
IN: wif gazzer OUT: RED RED

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