Grammar and Semantics

0 Hello, 02br
00I am not sure whether the three sentence makes sense in term of grammar and semantics. 02br
00Can you give me a hand with checking them 02br
00Thank you for your help. 02br
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001. Because knowing a company like basketball team, I need to cooperate fully with my colleagues, assisting our company in making a profit 02br
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002. What helps our team to attain these goals is cooperation I gain from basketball game 02br
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003. I can not help game playing is a good means which to bestow some important concepts to us. 02br
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004. I can not help game playing is a good means by which i can gain some important concepts. 02br
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00Sentence 3 and 4, which one is right. 0-