Digging in a different trench Phoenix's robotic Arm connected with a hard surface that has scientists excited about the prospect of next uncovering an icy layer.  "We have dug a trench and uncovered a hard layer at the same depth as the ice layer in our other trench," said Washington University robotic arm investigator for Phoenix, Ray Arvidson. The arm tried at least three times to penetrate the layer, but was unsuccessful. As a result the arm went into a holding pattern, awaiting its next commands.
Can we say the following?
A robotic arm has been used for scientific discoveries.
OPTIONS:
- yes
- no

yes


Twenty years ago, on June 6, 1968, Sen. Robert F. Kennedy died at Good Samaritan Hospital in Los Angeles, 25 -LCB- hours after he was shot at the Ambassador Hotel by Sirhan Bishara Sirhan.
Can we say the following?
Sirhan Bishara Sirhan killed Sen. Robert F. Kennedy
OPTIONS:
- yes
- no

yes


The Irish Sales, Services and Marketing Operation of Microsoft was established in 1991.
Can we say the following?
Microsoft was established in 1991.
OPTIONS:
- yes
- no

no


Recent Dakosaurus research comes from a complete skull found in Argentina in 1996, studied by Diego Pol of Ohio State University, Zulma Gasparini of Argentinas National University of La Plata, and their colleagues.
Can we say the following?
A complete Dakosaurus was discovered by Diego Pol.
OPTIONS:
- yes
- no


no