Does "Challis later realised that he had observed the planet twice, on 4 and 12 August, but did not recognise it as a planet because he lacked an up-to-date star map and was distracted by his concurrent work on comet observations." contain the correct answer to "What did Henrich d'Arrest seek to find?"

A: no

Does "Also, from 1980, IBM has pumped out 78,000 gallons of chemicals, including trichloroethane, freon, benzene and perchloroethene to the air and allegedly caused several cancer cases among the townspeople." contain the correct answer to "Starting in 1980 how many gallons of chemicals did IBM pump into the air?"

A: yes

Does "The remnants of the Mughal dynasty were finally defeated during the Indian Rebellion of 1857, also called the 1857 War of Independence, and the remains of the empire were formally taken over by the British while the Government of India Act 1858 let the British Crown assume direct control of India in the form of the new British Raj." contain the correct answer to "What was the site of the final battle for the Mughals?"

A:
no