toplevel "A";
"A" 3of5 "B" "C" "D" "E" "F";
"B" lambda=0.1 dorm=0;
"C" lambda=0.2 dorm=0;
"D" lambda=0.3 dorm=0;
"E" lambda=0.4 dorm=0;
"F" lambda=0.5 dorm=0;