What concepts are described in the following sentence?

"Beef kway teow is a dish found in Singapore and Indonesia. Standard Chinese is a language spoken in Singapore and the leaders are Tony Tan and Halimah Yacob."

Return the answer as pairs of triples.
Beef kway teow REGION Singapore
Beef kway teow COUNTRY "Singapore and Indonesia"
Singapore LEADER_NAME Tony Tan
Singapore LANGUAGE Standard Chinese
Singapore LEADER_NAME Halimah Yacob