Original sentence: A consortium from Japan signed an agreement to construct the system in early 1974, but in December of the same year, it pulled out of the agreement for reasons stemming from fears of the Arab oil crisis.The supplementary report stated that the originally suggested four tracks between Admiralty station and Mong Kok station should be reduced to two, and only the Island Line, Tsuen Wan Line, and Kwun Tong Line should be constructed in the system
Edited sentence: A consortium from Japan signed an agreement to construct the system in early 1974, but in December of the same year, it pulled out of the agreement for reasons stemming from fears of the oil crisis.The supplementary report stated that the originally suggested four tracks between Admiralty station and Mong Kok Station should be reduced to two, and only the Island Line, Tsuen Wan Line, and Kwun Tong Line should be constructed in the system