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

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

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