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

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

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