input: Vehicle identification number

A vehicle identification number (VIN) is a unique code, including a serial number, used by the automotive industry to identify individual motor vehicles, towed vehicles, motorcycles, scooters and mopeds, as defined in ISO 3779 (content and structure) and ISO 4030 (location and attachment).
is vin number and serial number the same thing
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output: no

input: Pattie Boyd

Patricia Anne Boyd (born 17 March 1944) is an English model and photographer. She was one of the leading international models during the 1960s and, with Jean Shrimpton, epitomised the British female ''look'' of the era. Boyd was married to George Harrison and experienced the height of the Beatles' popularity as well as sharing in their embrace of Indian spirituality. She later married and divorced Harrison's friend, guitarist Eric Clapton. Boyd inspired Harrison's songs such as ''If I Needed Someone'', ''Something'' and ''For You Blue'', and Clapton's ''Layla'' and ''Wonderful Tonight''.
are eric clapton and pattie boyd still married
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output: no

input: Aggregate expenditure

In economics, aggregate expenditure (AE) is a measure of national income. Aggregate expenditure is defined as the current value of all the finished goods and services in the economy. The aggregate expenditure is thus the sum total of all the expenditures undertaken in the economy by the factors during a given time period. It refers to the expenditure incurred on consumer goods, planned investment and the expenditure made by the government in the economy. In an open economy scenario, the aggregate expenditure also includes the difference between the exports and the imports.
total expenditure in the us is equal to consumption expenditure plus investment
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output: yes

input: ISO week date

The Gregorian leap cycle, which has 97 leap days spread across 400 years, contains a whole number of weeks (20871). In every cycle there are 71 years with an additional 53rd week (corresponding to the Gregorian years that contain 53 Thursdays). An average year is exactly 52.1775 weeks long; months (1/12 year) average at exactly 4.348125 weeks.
are there ever 53 weeks in a year
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output:
yes