Problem: The evidence for the continuing accretion of gas by the Milky Way involves high-velocity clouds, or HVCs--mysterious clumps of hydrogen, moving rapidly through the outer regions of the galaxy.

Based on the paragraph above can we conclude that "The clumps of hydrogen are grey."?

A: It's impossible to say


Problem: Shares of tech companies rose as a rebound in risk appetite stoked demand for the sector. The Nasdaq Composite closed at a record high as comments from Federal Reserve Jerome Powell alleviated worries about the effects of higher interest rates on growth. Microsoft is being investigated by U.S. authorities over potential bribery and corruption related to software sales in Hungary, The Wall Street Journal reported. A fire on the grounds of Tesla's car factory in California on Thursday burned a scrap pile but was extinguished before it could cause major damage. Rob Curran, rob.curran@dowjones.com

Based on the paragraph above can we conclude that "Microsoft commonly engages in morally ambiguous behavior."?

A: It's impossible to say


Problem: Parkland parent gets major film studio to move the release date of a teen slasher film Fred Guttenberg, the father of Jaime Guttenberg who was killed during the Parkland shooting last February, speaks during a discussion on gun safety at the Coral Springs Museum of Art on Friday, October 5, 2018. MATIAS J. OCNER mocner@miamiherald.com

Based on the paragraph above can we conclude that "The release date remained the same"?

A:
No