Then came the dozens of protesters who started camping out near Bush's ranch this month, led by a California mother who lost her son in the war and insists on speaking to the president.
Then came a baker's dozen of protesters. 
Then came the dozens of protesters, not baker's dozen. The system was confused by the number.
( z1 come :ARG1 ( z2 person :quant 12 :ARG0-of ( z3 protest ) :poss ( z4 person :ARG0-of ( z5 bake ) ) ) :time ( z6 then ) )