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

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

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