Answer
$-Flaw:\:The\:question\:is\:biased\:and\:lacks\:a\:list\:of\:options.\\-Rewritten\:Question:\:Among\:the\:following\:artificial\:sweeteners,\:which\:do\:you\:think\:is\:least\:unhealthy:\:Sucaryl,\:Cologran,\:Aclame,\:Sweet'N\:Low?$
Work Step by Step
$A\:question\:is\:given\:as\:follows:\\Which\:type\:of\:artificial\:sweetener\:do\:you\:think\:is\:$
$the\:least\:unhealthy?$$\\We\:are\:supposed\:to\:identify\:the\:flaw\:involved\:in\:the\:above\:question\:$
$and\:rewrite\:the\:question\:following\:the\:survey\:guidelines.\\1.The\:above\:question\:is\:an\:open-ended\:question\:which\:is\:not\:$
$giving\:any\:list\:of\:artificial\:sweeteners.$
$\\2.The\:question\:itself\:is\:biased.\:This\:question\:is\:indirectly\:indicating\:$
$that\:artificial\:sweeteners\:are\:unhealthy.\\The\:given\:question\:can\:be\:reconstructed\:as\:follows:\\"Among\:the\:following\:artificial\:sweeteners\:which\:$
$do\:you\:think\:is\:least\:unhealthy:\\Sucaryl,\:Cologran,\:Aclame,\:Sweet'N\:Low"$