question:  What caused Judy's yelling to be ignored by the gangs in the schoolyard?
context: There was Mr. Featherhall at his desk, refusing to okay a personal check from a perfect stranger. There were Miss English and Miss Philicoff, the girls in the gilded teller cages. There was Mrs. Elizabeth Clayhorn, depositing her husband's pay check in their joint checking account, and with her was her ten-year-old son Edward (Eddie) Clayhorn, Junior. There was Charlie Casale, getting ten dollars dimes, six dollars nickels and four dollars pennies for his father in the grocery store down the street. There was Mrs. Dolly Daniels, withdrawing money from her savings account again. The third one, who carried a black satchel like a doctor's bag, walked quickly around behind the teller's counter and started filling it with money. The man who had first spoken herded the tellers, Mr. Featherhall and the customers all over against the back wall, while the second man stayed next to Mr. Anderson and the door. Meanwhile, Mr. Anderson went scooting out the front door and running down the street toward the police station in the next block, shouting, "Help! The man with the satchel came running around from behind the counter, and the man by the door tried to keep Miss English from scratching his eyes out. She fell unconscious to the floor, and all three of them ran out of the bank to the car out front, in which sat a very nervous-looking fourth man, gunning the engine. Everyone except Miss English ran out after the bandits, to watch. The police cars and the getaway car passed one another, with everybody shooting like the ships in pirate movies. Then, after the getaway car had gone more than two blocks, it suddenly started jouncing around. "If I'm making just a quick stop—I never spend more than five minutes with any one customer—I always leave the keys in the car. "It was four professional criminals, I thought you knew that.
output:  They couldn't hear her over their own hollering because of the intense cold weapons and jackets.
options:  The surprise of the kids who showed up in costumes trying to return home.  They were already fighting and failed to hear her over the shouting.  They couldn't hear her over their own hollering because of the intense cold weapons and jackets.  They were too distracted by the approaching police lights.