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

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

*GRAMMAR*
wif -> RED 
 zup -> GREEN 
 fep -> YELLOW 
 lug -> PURPLE 
 x1 gazzer -> [x1] [x1] [x1] 
 x1 kiki x2 -> [x1] [x2] 
 u1 tufa u2 -> [u2] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 