(defun weather ()
	(data
	 :name 'weather
	 :columns '( outlook temperature humidity windy play)
	 :egs
	 '(			
	   ( overcast 81 75 FALSE )
	   ( overcast 72 90 TRUE )
	   ( rainy 75 80 FALSE )
	   ( overcast 83 86 FALSE )
	   )))