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

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

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