Chemistry is related to Science. Science is the opposite of Faith. Faith is related to Charity. Charity is related to Welfare. 
you are likely to find Garden in/at/on Ground. you are likely to find Grass in/at/on Garden. Grass is related to Other. 
Chemistry <--RelatedTo--> Science <--Antonym--> Faith <--RelatedTo--> Charity <--RelatedTo--> Welfare 
Ground <--AtLocation-- Garden <--AtLocation-- Grass <--RelatedTo--> Other 