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

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

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