Problem: A Student's Song of Heidelberg (German:Ein Burschenlied aus Heidelberg) is a 1930 German musical film directed by Karl Hartl and starring Hans Brausewetter, Betty Bird and Willi Forst. It marked Hartl's directoral debut. The film is in the tradition of the nostalgic Old Heidelberg.

Based on the paragraph above can we conclude that "This was Betty Bird's first role. "?

A: It's impossible to say

Problem: A few growers place charcoal in the bottom of containers to absorb excess salts and maintain sweet soil, if plants are grown more than a few months.

Based on the paragraph above can we conclude that "charcoal could burn the organisms"?

A: It's impossible to say

Problem: Carlos Ashley Raphael Barat (born 6 June 1978) is a British musician, best known for being the co-frontman with Peter Doherty of the garage rock band The Libertines. He was the frontman and lead guitarist of Dirty Pretty Things, and in 2010 debuted a solo album. In 2014 he announced the creation of his new band, The Jackals.

Based on the paragraph above can we conclude that "Carlos Ashley Raphael Barat has been heard by roosevelt"?

A:
It's impossible to say