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

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

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