Take another look at the sentence:
Squirting ketchup on the hot French fries, a tomato sauce explosion stained
Gloria's shirt red.
Squirting ketchup on the hot French fries, a participle phrase, comes right before tomato sauce explosion, an illogical target. People, not explosions, have fingers to squeeze the ketchup bottle! Before you continue, review the rules for misplaced and dangling modifiers.
Go back to the sentence to try again.