Find the correct sentence.

1) He said that the report gave cause for optimism, showing that the world’s growing population could be adequately feeded in the future if basic measures are taken to look after food supply. 2) He said that the report gave cause of optimism, showing that the world’s growing population could be adequately fed in the future if basic measures are taken to look after food supply. 3) He said that the report gave cause for optimism, showing that the world’s growing population could be adequately fed in the future if basic measures are taken to look after food supply. 4) He said that the report give cause for optimism, showing that the world’s growing population could be adequately fed in the future if basic measures are taken to look after food supply.