1. If he saw two white hats , he could conclude that he was wearing a black hat .
2. If he saw two black hats , he could have deduced that he was wearing a white hat .

no

1. The two series were drawn by Joel Goss and Michael Kaluta and written by Gary Gianni .
2. Both series were drawn by Joel Goss and Michael Kaluta , and written by Gary Gianni .

yes

1. Peter Evatt was an Olympic rower , who became 1953 national sculling champion and represented Australia in rowing at the 1956 Olympic Games in Melbourne .
2. Peter Evatt was an Olympic rower who became a national skulling champion in 1953 and represented Australia while rowing at the 1956 Olympic Games in Melbourne .
yes