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

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

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