Rate the following argument fragment on its writing, argument, and language skills:
Evidence: While it is true that several conditions on Venus' surface are inhospitable and unable to support or sustain human life, the author claims that "astronomers are fascniated by Venus because it may well once have been the most Earth-like planet in our solar system," (para 4). This might lead to discoveries that could help us understand or predict Earth's future evolution patterns.

Score: 2