Does the sentence "In contrast, Botswana has recently been forced to ban trophy hunting following a precipitous wildlife decline." provide a valid answer to the question "Why has Botswana been forced to ban trophy hunting altogether?"

A: yes

Does the sentence "Eisenhower painted about 260 oils during the last 20 years of his life to relax, mostly landscapes but also portraits of subjects such as Mamie, their grandchildren, General Montgomery, George Washington, and Abraham Lincoln." provide a valid answer to the question "What was the main type of oil painting painted by Eisenhower?"

A: yes

Does the sentence "Some high-speed black-and-white films, such as Ilford Delta 3200 and Kodak T-MAX P3200, are marketed with film speeds in excess of their true ISO speed as determined using the ISO testing method." provide a valid answer to the question "What type of films are Ilford Delta 3200 and Kodak T-MAX P3200?"

A: yes

Does the sentence "However, recent studies show that deletion of clock does not lead to a behavioral phenotype (the animals still have normal circadian rhythms), which questions its importance in rhythm generation." provide a valid answer to the question "What gene did Konopka and Benzer map in the early 1970 s?"

A:
no