package main

import (
	"unicode"
)

func IsChinese(str string) bool {
	count_chinese := 0
	count_no_chinese := 0
	for _, char := range str {
		if unicode.Is(unicode.Han, char) {
			count_chinese++
		} else {
			if !unicode.IsSpace(char) {
				count_no_chinese++
			}
		}
	}
	// >= 10% of the text is chinese
	if count_chinese >= count_no_chinese/10 {
		return true
	}

	return false
}