#include #include #include using namespace std; bool check(string a, string b) { if(a == "shitou") return b == "jiandao"; if(a == "jiandao") return b == "bu"; if(a == "bu") return b == "shitou"; return false; } int main() { int T; cin >> T; while ( T -- ) { string a, x1; string b, x2; cin &...