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

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

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