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

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

*GRAMMAR*
wif -> GREEN 
 zup -> PURPLE 
 lug -> BLUE 
 tufa -> RED 
 u1 fep x1 -> [u1] [x1] 
 u1 kiki -> [u1] [u1] [u1] [u1] [u1] [u1] 
 x1 dax x2 -> [x1] [x2] [x2] 
 u1 x1 -> [u1] [x1] 
 