*SUPPORT*
IN: zup zup lug fep kiki OUT: PURPLE YELLOW GREEN PURPLE PURPLE YELLOW GREEN
IN: fep wif fep OUT: YELLOW YELLOW
IN: gazzer wif zup OUT: PURPLE PINK
IN: zup lug zup fep wif fep OUT: PURPLE YELLOW YELLOW PURPLE PURPLE PURPLE YELLOW YELLOW
IN: fep wif kiki OUT: GREEN YELLOW
IN: zup fep tufa kiki fep zup OUT: PURPLE YELLOW GREEN YELLOW PURPLE
IN: fep wif gazzer OUT: PINK YELLOW
IN: fep zup OUT: YELLOW PURPLE
IN: zup wif fep OUT: YELLOW PURPLE
IN: kiki kiki zup gazzer OUT: GREEN GREEN PURPLE PINK
IN: gazzer OUT: PINK
IN: kiki lug fep zup OUT: YELLOW PURPLE GREEN GREEN YELLOW PURPLE
IN: kiki lug gazzer wif zup OUT: PURPLE PINK GREEN GREEN PURPLE PINK
IN: kiki tufa fep OUT: GREEN YELLOW

*QUERY*
IN: zup wif gazzer OUT: PINK PURPLE
IN: kiki lug fep kiki OUT: YELLOW GREEN GREEN GREEN YELLOW GREEN
IN: zup zup OUT: PURPLE PURPLE
IN: fep lug fep wif kiki OUT: GREEN YELLOW YELLOW YELLOW GREEN YELLOW
IN: kiki lug zup OUT: PURPLE GREEN GREEN PURPLE
IN: zup lug kiki wif fep OUT: YELLOW GREEN PURPLE PURPLE YELLOW GREEN
IN: zup OUT: PURPLE
IN: zup tufa fep lug gazzer wif gazzer OUT: PURPLE PINK PINK YELLOW YELLOW PINK PINK
IN: fep wif zup OUT: PURPLE YELLOW
IN: gazzer wif gazzer OUT: PINK PINK

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