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

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

*GRAMMAR*
kiki -> GREEN 
 tufa -> YELLOW 
 zup -> RED 
 wif -> PURPLE 
 u1 lug u2 -> [u2] [u1] 
 u1 fep u2 -> [u2] [u1] [u1] [u1] [u2] [u2] [u1] [u1] 
 x1 gazzer -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 