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

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

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