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

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

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