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

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

*GRAMMAR*
fep -> YELLOW 
 lug -> PINK 
 tufa -> BLUE 
 gazzer -> GREEN 
 u1 wif u2 -> [u1] [u2] 
 u1 kiki u2 -> [u1] [u2] 
 x1 zup x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 