<s>[INST] Given an abstract text, please determine whether it contains any drug mentions. Provide a 'Yes' or 'No' answer based on the presence or absence of drugs. Abstract Text: A Single Cell Approach Reveals Immune Cell Dynamics In Ulcerative Colitis (Uc) And Highlights Association Of Cd8 Intraepithelial Lymphocytes (Iels) With Response To Vedolizumab Treatment[/INST] Yes</s>