*SUPPORT*
IN: fep zup OUT: PINK PINK PINK
IN: blicket wif zup OUT: GREEN BLUE BLUE BLUE
IN: wif fep fep zup OUT: BLUE PINK PINK PINK PINK
IN: fep tufa wif OUT: BLUE BLUE PINK
IN: blicket tufa gazzer OUT: RED RED GREEN
IN: gazzer gazzer OUT: RED RED
IN: gazzer zup OUT: RED RED RED
IN: fep tufa fep OUT: PINK PINK PINK
IN: fep wif gazzer zup OUT: PINK BLUE RED RED RED
IN: wif OUT: BLUE
IN: blicket tufa blicket OUT: GREEN GREEN GREEN
IN: blicket blicket blicket OUT: GREEN GREEN GREEN
IN: wif tufa blicket OUT: GREEN GREEN BLUE
IN: wif zup OUT: BLUE BLUE BLUE

*QUERY*
IN: gazzer OUT: RED
IN: blicket gazzer wif zup OUT: GREEN RED BLUE BLUE BLUE
IN: wif tufa gazzer OUT: RED RED BLUE
IN: blicket zup OUT: GREEN GREEN GREEN
IN: fep lug OUT: PINK PINK PINK
IN: blicket OUT: GREEN
IN: blicket blicket zup OUT: GREEN GREEN GREEN GREEN
IN: fep tufa blicket OUT: GREEN GREEN PINK
IN: fep OUT: PINK
IN: wif tufa fep OUT: PINK PINK BLUE

*GRAMMAR*
blicket -> GREEN 
 gazzer -> RED 
 wif -> BLUE 
 fep -> PINK 
 u1 tufa u2 -> [u2] [u2] [u1] 
 x1 lug -> [x1] [x1] [x1] 
 u1 zup -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 