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

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

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