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

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

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