Problem:
Read the following paragraph and determine if the hypothesis is true:

"Union City Blue" is a song by the US rock band Blondie. It was written by Debbie Harry and Nigel Harrison, and was featured on their fourth studio album "Eat to the Beat" from 1979. The tune was inspired by the 1979 movie "Union City", which Debbie Harry appeared in (she wrote the lyrics one evening during a break in the shooting).
Hypothesis: "Union City Blue" is a song sang by Debbie Harry and Nigel Harrison.
****
Answer:
It's impossible to say

Problem:
Read the following paragraph and determine if the hypothesis is true:

Ochagavia is a genus of the botanical family Bromeliaceae, subfamily Bromelioideae. The genus is named for Sylvestris Ochagavia, Chilean minister of education. Endemic to southern and central Chile (including the Juan Fernandez Islands), this genus is represented by four accepted species.
Hypothesis: This genus is represented by five accepted species.
****
Answer:
No

Problem:
Read the following paragraph and determine if the hypothesis is true:

Brixia-Zust (originally Brixia-Zust) was an Italian car manufacturer founded by engineer Roberto Zust, owner of Zust company of Milan. The affiliated company was situated in Brescia, Northern Italy. (Brixia is the antique Latin for Brescia.) These companies are often confused. The company made racing cars that participated in Targa Florio, an open road race in Sicily.
Hypothesis: Brixia-Zust only ever raced in Italy.
****
Answer:
It's impossible to say