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

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

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