sentences:  Social pressures have been acknowledged by Prime Minister Lee Hsien Loong with various measures put in place in the last few years, such as the Fair Employment (Consideration) Framework and Tripartite Alliance for Fair Employment Practices and increasing support for migrant workers.Prime Minister Lee Hsien Loong and various government agencies have spoken out against a rising anti-foreigner sentiment after Singaporeans expressed outrage at disparaging statements made by foreigners residing in Singapore.For example, in March 2012, Sun Xu, a scholar from China studying in the National University of Singapore, made a remark in his blog that "there are more dogs than humans in Singapore".