Task: Question Answering
Input (English): Passage: A day after announcing the attempt on his life, Nasser established a new provisional constitution proclaiming a 600-member National Assembly (400 from Egypt and 200 from Syria) and the dissolution of all political parties. Nasser gave each of the provinces two vice-presidents: Boghdadi and Amer in Egypt, and Sabri al-Asali and Akram al-Hawrani in Syria. Nasser then left for Moscow to meet with Nikita Khrushchev. At the meeting, Khrushchev pressed Nasser to lift the ban on the Communist Party, but Nasser refused, stating it was an internal matter which was not a subject of discussion with outside powers. Khrushchev was reportedly taken aback and denied he had meant to interfere in the UAR's affairs. The matter was settled as both leaders sought to prevent a rift between their two countries. Question: What Soviet leader did Nasser spar with?
Output (English): Khrushchev