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

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

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