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

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

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