input.txt

%lh -> mj
%nd -> qf
&pn -> dh, dk, bg, qs, rp, bk, gs
%bk -> rs
%nh -> lh
%hc -> jg, ks
%pt -> gv, jg
&dh -> jz
%jq -> nd
%gv -> jg, mr
%gm -> jv
&zt -> jq, rn, nd, bt, jh, gm
%mz -> dc, zt
%nf -> dm, pn
%bg -> bk
%qt -> qx, xk
%dc -> zt, db
%rc -> gz, jg
%kx -> pn, gj
%mj -> zm
%rs -> pn, dk
%lv -> tb, jg
&mk -> jz
%bt -> pv, zt
%cg -> mz, zt
%pk -> qx
%jd -> lv, jg
%jv -> jh, zt
%ks -> jg, jd
%gs -> bg
broadcaster -> bt, rc, qs, qt
%dm -> rm, pn
%pv -> jq, zt
%db -> zt
%dv -> sl, qx
%qs -> rp, pn
%sr -> hf
%qf -> gm, zt
&jz -> rx
&vf -> jz
%gz -> vj, jg
%mr -> jg
%dk -> kx
&jg -> rc, mk, vj
%qh -> hc, jg
%vj -> qh
%tb -> pt, jg
%rm -> pn
%gj -> pn, nf
%rp -> gs
%xk -> td, qx
%hf -> nh
&rn -> jz
&qx -> lh, vf, hf, nh, sr, mj, qt
%td -> sr, qx
%sl -> pk, qx
%jh -> cg
%zm -> dv, qx