Inference or Observation?

Which of the following is an inference, not an observation?

• The cars are on sand.
• There is a 4-wheeler.
• They are in a race.

Which of the following is an inference, not an observation?

• The child was attacked by a dog.
• The young kid is wearing jeans.
• There are scraps & scratches on the knee.

Which of the following is an observation, not an inference?

• The bridge is built above the trees.
• The bridge took a long time to build. 
• _{It took large machines to build the bridge.}

_{a young boy}

• Inference
• Observation

_{wrecked on his bike}

• Inference
• Observation

_{house is in the water}

• Inference
• Observation

^{_{a storm damaged the street}}

• Inference
• Observation