Let's analyze the valence intensity of the sentence "Workers probably switch to patrolling based on their perceived life expectancy and as a function of a gene whose expression changes between young and old ants, and this is easily emulated using a clock pulse counter in Antie’s CPU that will count its “age” since last boot.". Assign a real number between 0 and 1, where 0 indicates extremely negative and 1 indicates extremely positive.