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

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

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