No article before preposition

Need to handle uppercase lowercase, at the moment no good The in stomach of the great white shark they found a pistol. Suggestion: in The The on table are many flowers. Suggestion: on The Had to limit this to articles because it was triggering on every determiner We entered the room, and the nurse whose nametag read Ashley \*, gathered all of Margie's shower supplies and began to wheel her down to the shower room. Suggestion: of all This was the first moment of happiness I seen from any of the residents; my fear quickly disappeared. Suggestion: of any