Arsenic is a (a) — (pre-modify the noun) substance. It is (b) — (use an intensifier to pre-modily the adjective) dangerous for human health. (c) — (use a demonstrative to pre-modify the noun) substance is found in the water of the tubewell. There are (d) — (use quantifier to pre-modify the noun) villages in (e) — (use possessive to pre-modify the noun) country. Most of our (f) — (use a noun-adjective to pre-modify the noun) people drink tubewell water. As a result, many of them are suffering from arsenic problem. This problem is (g) — (pre-modify the verb) found in North Bengal. We should take proper measures (h) — (post-modify the verb with an infinitive phrase). Government is trying to mark the tubewells having arsenic (i) — (use a participle to post modify the verb) red colour. People should be refrained from drinking water of (j) — (use demonstrative to pre-modify the noun) tubewells. Otherwise, they will suffer from arsenicosis.