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

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

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