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

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

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