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

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

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