Top officials in the Chinese territory have defended new sex education guidance that critics call regressive. Young people are amused.A 15-year-old girl and her boyfriend are studying alone together on a hot summer day when she removes her jacket and clings to his shoulder. What should he do?In Hong Kong, the authorities advise the young man to continue studying or to seek a diversion, including badminton — to avoid premarital sex and other “intimate behaviors.”Critics, including lawmakers and sex educators, say that the Chinese territory’s new sex education materials are regressive. But top officials are not backing down, and the standoff is getting kind of awkward.“Is badminton the Hong Kong answer to sexual impulses in schoolchildren?” the South China Morning Post newspaper asked in a headline over the weekend.Hong Kong teenagers find it all pretty amusing. A few said on social media that the officials behind the policy have their “heads in the clouds.” Others have worked it into sexual slang, talking about “friends with badminton” instead of “friends with benefits.”The sex ed materials were published last week by the Education Bureau in a 70-page document that includes worksheets for adolescents and guidance for their teachers. The document emphasizes that the lessons are not designed to encourage students to “start dating or having sexual behaviors early in life.” It also advises people in a “love relationship” to fill out a form setting the limits of their intimacy.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe.