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

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

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