TASK DEFINITION: In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
PROBLEM: Question: What planet is the easiest to observe? Answer: mars

SOLUTION: Mars planet is the easiest to observe.

PROBLEM: Question: What type of energy is useful to humans because it's ease of transport and conversion to other forms of energy? Answer: electrical

SOLUTION: Electrical type of energy is useful to humans because it's ease of transport and conversion to other forms of energy.

PROBLEM: Question: What occurs if oxygen cannot be obtained at a sufficient rate? Answer: anaerobic respiration

SOLUTION:
Anaerobic respiration occurs if oxygen cannot be obtained at a sufficient rate.