better butts

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			  {
				  "text":"SLL is a linear data structure that has a number of nodes physically next to each other in the memory",
					  "value":"D"
			  },
			  {
				  "text":"SLL can be traversed from the tail to the beginning",
					  "value":"A"
			  },
			  {
				  "text":"SLL always needs to have a back pointer to indication the end of SLL",
				  "value":"E"
			  },
			  {
				  "text":"Inserting a new node to the beginning of SLL takes constant tiime",
				  "value":"A"
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