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

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

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