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

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

*GRAMMAR*
fep -> RED 
 zup -> GREEN 
 wif -> BLUE 
 tufa -> PINK 
 u1 blicket u2 -> [u2] [u1] 
 u1 lug -> [u1] [u1] [u1] 
 x1 dax x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 