Ans: by the River Lea , in the Cotswolds , and along the promenade in Brighton
Ques: Passage: After the unexpected success of the initial series, ITV commissioned a second series, with Lang returning as writer and Wilson as director. It was shot on location by the River Lea, in the Cotswolds, and along the promenade in Brighton.

Question: Based on this passage, where was the second series of unforgotten filmed?
CoT: The important part for answering this question is: It was shot on location by the River Lea, in the Cotswolds, and along the promenade in Brighton.

Answer: 1978. Now, what could be the question and solution-maybe?
Ques: Congress banned the use of lead-based paint in 1971, and the Consumer Product Safety Commission followed with implementing regulations, effective in 1978. Additional regulations regarding lead abatement, testing and related issues have been issued by the Environmental Protection Agency (EPA).

When did the use of lead paint end?
CoT: To answer this question, we should know that: Congress banned the use of lead-based paint in 1971, and the Consumer Product Safety Commission followed with implementing regulations, effective in 1978.

Ans: between the ages of seven and thirteen
Ques: First Communion is a ceremony in some Christian traditions during which a person first receives the Eucharist. It is most common in the Latin Church tradition of the Catholic Church, as well as in many parts of the Lutheran Church and Anglican Communion. In churches that celebrate First Communion, it typically occurs between the ages of seven and thirteen, often acting as a rite of passage.

Based on this passage, when does a child receive first holy communion?
CoT: The relevant information to answer the above question is: In churches that celebrate First Communion, it typically occurs between the ages of seven and thirteen, often acting as a rite of passage.

Ans: 1986
Ques: As per the Child Labour (Prohibition and Regulation) Act, 1986, amended in 2016 ("CLPR Act"), a "Child" is defined as any person below the age of 14 and the CLPR Act prohibits employment of a Child in any employment including as a domestic help. It is a cognizable criminal offence to employ a Child for any work. Children between age of 14 and 18 are defined as "Adolescent" and the law allows Adolescent to be employed except in the listed hazardous occupation and processes which include mining, inflammable substance and explosives related work and any other hazardous process as per the Factories Act, 1948. In 2001, an estimated 1 % of all child workers, or about 120,000 children in India were in a hazardous job. Notably, the Constitution of India prohibits child labour in hazardous industries (but not in non-hazardous industries) as a Fundamental Right under Article 24. UNICEF estimates that India with its larger population, has the highest number of labourers in the world under 14 years of age, while sub-Saharan African countries have the highest percentage of children who are deployed as child labourers. The International Labour Organisation estimates that agriculture, at 60 percent, is the largest employer of child labour in the world, while the United Nation's Food and Agriculture Organisation estimates 70 % of child labour is deployed in agriculture and related activities. Outside of agriculture, child labour is observed in almost all informal sectors of the Indian economy.

When did child labour act passed in india?
CoT: The relevant sentence in the passage is: As per the Child Labour (Prohibition and Regulation) Act, 1986, amended in 2016 ("CLPR Act"), a "Child" is defined as any person below the age of 14 and the CLPR Act prohibits employment of a Child in any employment including as a domestic help.

Answer: Betsy DeVos. Now, what could be the question and solution-maybe?
Ques: The current Education Secretary is Betsy DeVos, who was nominated by President Donald Trump and approved by the Senate on February 7, 2017.

Answer this question: who is the secretary of education of the united states?
CoT: To answer the above question, the relevant sentence is: The current Education Secretary is Betsy DeVos, who was nominated by President Donald Trump and approved by the Senate on February 7, 2017.

Ans: the 4th century
Ques: During the first two centuries of Christianity, the cross was rare in Christian iconography, as it depicts a purposely painful and gruesome method of public execution and Christians were reluctant to use it. A symbol similar to the cross, the staurogram, was used to abbreviate the Greek word for cross in very early New Testament manuscripts such as P66, P45 and P75, almost like a nomen sacrum (nomina sacra). The extensive adoption of the cross as Christian iconographic symbol arose from the 4th century.

Answer this question: when did the cross become a symbol of christianity?
CoT: This is the relevant information: The extensive adoption of the cross as Christian iconographic symbol arose from the 4th century.