*SUPPORT*
IN: lug OUT: GREEN
IN: tufa OUT: YELLOW
IN: dax lug dax OUT: RED GREEN RED
IN: tufa wif OUT: YELLOW YELLOW
IN: lug zup wif fep OUT: GREEN PURPLE PURPLE GREEN PURPLE PURPLE
IN: lug wif OUT: GREEN GREEN
IN: zup wif OUT: PURPLE PURPLE
IN: zup fep fep OUT: PURPLE PURPLE PURPLE PURPLE
IN: tufa lug lug kiki OUT: YELLOW GREEN GREEN YELLOW GREEN GREEN
IN: dax OUT: RED
IN: dax wif OUT: RED RED
IN: dax fep kiki fep OUT: RED RED RED RED RED RED RED RED
IN: zup wif kiki OUT: PURPLE PURPLE PURPLE PURPLE
IN: lug zup dax fep OUT: GREEN PURPLE RED GREEN PURPLE RED

*QUERY*
IN: dax zup wif kiki OUT: RED PURPLE PURPLE RED PURPLE PURPLE
IN: dax wif fep OUT: RED RED RED RED
IN: zup kiki OUT: PURPLE PURPLE
IN: tufa wif kiki OUT: YELLOW YELLOW YELLOW YELLOW
IN: zup OUT: PURPLE
IN: zup lug kiki fep OUT: PURPLE GREEN PURPLE GREEN PURPLE GREEN PURPLE GREEN
IN: lug lug wif OUT: GREEN GREEN GREEN
IN: zup kiki fep OUT: PURPLE PURPLE PURPLE PURPLE
IN: lug wif kiki OUT: GREEN GREEN GREEN GREEN
IN: lug dax zup kiki OUT: GREEN RED PURPLE GREEN RED PURPLE

*GRAMMAR*
zup -> PURPLE 
 dax -> RED 
 tufa -> YELLOW 
 lug -> GREEN 
 u1 wif -> [u1] [u1] 
 x1 fep -> [x1] [x1] 
 x1 kiki -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 