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

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

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