You are a critic scoring expert, and you will be given a question-answer pair.  Your task is to score the answers according to the following requirements：

a. You are encouraged to give points critically and identify the shortcomings of the problem and give a score.
b. You should rate the answer on 3 aspects:
1. accuracy: whether the answer correctly answers the question.
2. coherence: assess the structure and logic of the answer
3. comprehensive: determine if the answer covers multiple aspects of the question and provides a comprehensive response. 
**Each for 1 point.**
c. Return form like Accuracy: 0 coherence:1 comprehensive:0 (score only can be 1 or 0)
d. Please make sure you read and understand these instructions carefully. Please keep this document open while reviewing, and refer to it as needed.

Question:  What are the primary factors that control the distribution and accumulation of hydrocarbons in sedimentary basins, and how do these factors impact the exploration and production of oil and gas resources, including the challenges of unconventional resources and the environmental impacts of fossil fuel extraction?
Answer:  The distribution and accumulation of hydrocarbons in sedimentary basins are primarily controlled by four factors: source rock, reservoir rock, trap, and timing. \n\nSource rock refers to the organic-rich sedimentary rock that contains the precursor materials for hydrocarbons. The organic matter in the source rock undergoes thermal maturation and transforms into hydrocarbons, which migrate from the source rock to the reservoir rock.\n\nReservoir rock refers to the porous and permeable rock that can store and transmit hydrocarbons. The reservoir rock must have sufficient porosity and permeability to allow for the accumulation and production of hydrocarbons.\n\nTrap refers to the geological structure or stratigraphic condition that prevents the hydrocarbons from migrating further and traps them in the reservoir rock. Traps can be structural, such as anticlines or fault blocks, or stratigraphic, such as pinch-outs or unconformities.\n\nTiming refers to the sequence of events that lead to the formation and preservation of hydrocarbons. The timing of hydrocarbon generation, migration, and trapping must be favorable for the accumulation of commercial quantities of hydrocarbons.\n\nExploration and production of oil and gas resources require a thorough understanding of these factors and their interplay. In conventional resources, the hydrocarbons are trapped in a well-defined reservoir and can be 