Amigos, a housewife, shouts to a man on the phone during a shouting competition at Betawi traditional festival in Jakarta, Indonesia December 14, 2019. Picture taken December 14, 2019. Dozens of Indonesians have taken part in a shouting competition in the capital Jakarta, given five minutes on stage to belt out advice on issues such as health, education and child protection to a crowd below. REUTERS/Yuddy Cahya Budiman

Sri Kusratih, 37-year-old vendor, reacts as she participates in a shouting competition at Betawi traditional festival in Jakarta, Indonesia December 14, 2019. Picture taken December 14, 2019. The contestants, mainly housewives, come from the city's native Betawi inhabitants, who have a reputation in Indonesia for being spontaneous and outspoken. As well as being restricted to certain topics, contestants were barred from using swear words or pointing their finger when addressing the crowd, said organiser Muhammad Rifki. REUTERS/Yuddy Cahya Budiman

Sulistyawati, 43-year-old housewife, reacts as a man looks at her during a shouting competition at Betawi traditional festival in Jakarta, Indonesia December 14, 2019. Picture taken December 14, 2019. The competition aimed to capture typical Betawi traditions, with winners competing for 1.5 million rupiah ($107) in prize money, he said. The competition, which is part of a festival hosted by the Kampung Melayu district, is being held in the densely populated neighbourhood in the city of 10 million for the first time. REUTERS/Yuddy Cahya Budiman

Contestants, who are mostly housewives, react to the camera as they participate in a shouting competition at Betawi traditional festival in Jakarta, Indonesia December 14, 2019. Picture taken December 14, 2019. The competition aimed to capture typical Betawi traditions, with winners competing for 1.5 million rupiah ($107) in prize money, he said. The competition, which is part of a festival hosted by the Kampung Melayu district, is being held in the densely populated neighbourhood in the city of 10 million for the first time. REUTERS/Yuddy Cahya Budiman