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

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

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