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

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

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