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

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

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