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

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

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