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

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

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