With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Saratoga includes Clark Gable.
text_B: Cyclopentadienyliron dicarbonyl dimer is an organometallic compound with the formula -LRB- η5-C5H5 -RRB- 2Fe2 -LRB- CO -RRB- 4 , also abbreviated Cp2Fe2 -LRB- CO -RRB- 4 .. organometallic compound. organometallic compound. It is called Fp2 or `` fip dimer . ''. It is a dark reddish-purple crystalline solid , which is readily soluble in moderately polar organic solvents such as chloroform and pyridine , but less soluble in carbon tetrachloride and carbon disulfide .. carbon tetrachloride. carbon tetrachloride. carbon disulfide. carbon disulfide. Cp2Fe2 -LRB- CO -RRB- 4 is insoluble in but stable toward water .
not_related.