Choose the correct sentence which is built from the words and phrases given:
He/ suffers/ rare tropical disease/ which/ contracted/ while/ Africa.
He suffers from rare tropical disease which he contracted while lived in Africa.
He still suffers from a rare tropical disease which contracted while he was in Africa.
He suffers a rare tropical disease which was contracted while he in Africa.
He still suffers from a rare tropical disease which he contracted while in Africa.
He still suffers from a rare tropical disease which he contracted while in Africa.