toplevel "A";
"A" and "I" "B";
"SEQ_dynamic" seq "I" "B";
"B" or "J" "K";
"DEP1_1" fdep "T1" "I";
"DEP1_2" fdep "T1" "J";
"DEP1_3" fdep "T1" "K";

"I" lambda=0.5 dorm=0;
"J" lambda=0.5 dorm=0;
"K" lambda=0.5 dorm=0;
"T1" lambda=0.5 dorm=0;