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

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

*GRAMMAR*
tufa -> GREEN 
 wif -> RED 
 gazzer -> BLUE 
 zup -> PINK 
 u1 fep -> [u1] [u1] 
 x1 dax x2 -> [x1] [x2] 
 x1 lug u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 