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

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

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