Which option recreates the sentence 'A protected species of gull was nesting in the receiving satellite dish, and the scientists believed that the resulting guano was interfering with the signal's reception' in a nominalised form?
1) The nesting of a protected species of gull in the receiving satellite dish was believed by the scientists to interfere with the reception of the signal due to the resulting guano.
2) The reception of the signal was believed to be interfered with by the nesting of a protected species of gull in the receiving satellite dish due to the resulting guano, according to the scientists.
3) The scientists believed that the nesting of a protected species of gull in the receiving satellite dish resulted in interference with the reception of the signal due to the guano.
4) According to the scientists, the nesting of a protected species of gull in the receiving satellite dish resulted in interference with the reception of the signal due to the guano.