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

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

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